chore: mark 1.52.0 (#1783 )

2026-05-23 11:13:15 +00:00 · 2025-05-02 08:51:06 +02:00
106 changed files with 1995 additions and 1703 deletions
@@ -1,10 +1,6 @@
+trigger: none
 pr: none

-trigger:
-  tags:
-    include:
-    - '*'
-
 resources:
  repositories:
  - repository: 1esPipelines
@@ -37,8 +33,8 @@ extends:
            artifact: esrp-build
        steps:
        - bash: |
-            if [[ ! "$CURRENT_BRANCH" =~ ^v1\..* ]]; then
-              echo "Can only publish from a release tag branch (v1.*)."
+            if [[ ! "$CURRENT_BRANCH" =~ ^release-.* ]]; then
+              echo "Can only publish from a release branch."
              echo "Unexpected branch name: $CURRENT_BRANCH"
              exit 1
            fi
@@ -20,19 +20,16 @@ jobs:
  test:
    name: Test
    timeout-minutes: 120
-    runs-on: ${{ matrix.runs-on }}
+    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        flavor: [jammy, noble]
-        runs-on: [ubuntu-24.04, ubuntu-24.04-arm]
    steps:
      - uses: actions/checkout@v4
      - name: Build Docker image
-        run: |
-          ARCH="${{ matrix.runs-on == 'ubuntu-24.04-arm' && 'arm64' || 'amd64' }}"
-          bash utils/docker/build.sh --$ARCH ${{ matrix.flavor }} playwright-java:localbuild-${{ matrix.flavor }}
+        run: bash utils/docker/build.sh --amd64 ${{ matrix.flavor }} playwright-java:localbuild-${{ matrix.flavor }}
      - name: Test
        run: |
-          CONTAINER_ID="$(docker run --rm -e CI --ipc=host -v $(pwd):/root/playwright --name playwright-docker-test -d -t playwright-java:localbuild-${{ matrix.flavor }} /bin/bash)"
+          CONTAINER_ID="$(docker run --rm --ipc=host -v $(pwd):/root/playwright --name playwright-docker-test -d -t playwright-java:localbuild-${{ matrix.flavor }} /bin/bash)"
          docker exec "${CONTAINER_ID}" /root/playwright/tools/test-local-installation/create_project_and_run_tests.sh
@@ -0,0 +1,27 @@
+name: "Internal Tests"
+
+on:
+  push:
+    branches:
+      - main
+      - release-*
+
+jobs:
+  trigger:
+    name: "trigger"
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/create-github-app-token@v1
+      id: app-token
+      with:
+        app-id: ${{ vars.PLAYWRIGHT_APP_ID }}
+        private-key: ${{ secrets.PLAYWRIGHT_PRIVATE_KEY }}
+        repositories: playwright-browsers
+    - run: |
+        curl -X POST --fail \
+          -H "Accept: application/vnd.github.v3+json" \
+          -H "Authorization: token ${GH_TOKEN}" \
+          --data "{\"event_type\": \"playwright_tests_java\", \"client_payload\": {\"ref\": \"${GITHUB_SHA}\"}}" \
+          https://api.github.com/repos/microsoft/playwright-browsers/dispatches
+      env:
+        GH_TOKEN: ${{ steps.app-token.outputs.token }}
@@ -1,3 +0,0 @@
-path_classifiers:
-  tests:
-    - "playwright/src/test/**"
@@ -10,9 +10,9 @@ Playwright is a Java library to automate [Chromium](https://www.chromium.org/Hom

 |          | Linux | macOS | Windows |
 |   :---   | :---: | :---: | :---:   |
-| Chromium <!-- GEN:chromium-version -->139.0.7258.5<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| WebKit <!-- GEN:webkit-version -->26.0<!-- GEN:stop --> | ✅ | ✅ | ✅ |
-| Firefox <!-- GEN:firefox-version -->140.0.2<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| Chromium <!-- GEN:chromium-version -->136.0.7103.25<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| WebKit <!-- GEN:webkit-version -->18.4<!-- GEN:stop --> | ✅ | ✅ | ✅ |
+| Firefox <!-- GEN:firefox-version -->137.0<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |

 ## Documentation

@@ -6,7 +6,7 @@
  <parent>
    <groupId>com.microsoft.playwright</groupId>
    <artifactId>parent-pom</artifactId>
-    <version>1.54.0</version>
+    <version>1.52.0</version>
  </parent>

  <artifactId>driver-bundle</artifactId>
@@ -6,7 +6,7 @@
  <parent>
    <groupId>com.microsoft.playwright</groupId>
    <artifactId>parent-pom</artifactId>
-    <version>1.54.0</version>
+    <version>1.52.0</version>
  </parent>

  <artifactId>driver</artifactId>
@@ -6,11 +6,11 @@

  <groupId>org.example</groupId>
  <artifactId>examples</artifactId>
-  <version>1.54.0</version>
+  <version>1.52.0</version>
  <name>Playwright Client Examples</name>
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <playwright.version>1.54.0</playwright.version>
+    <playwright.version>1.51.0</playwright.version>
  </properties>
  <dependencies>
    <dependency>
@@ -7,7 +7,7 @@
  <parent>
    <groupId>com.microsoft.playwright</groupId>
    <artifactId>parent-pom</artifactId>
-    <version>1.54.0</version>
+    <version>1.52.0</version>
  </parent>

  <artifactId>playwright</artifactId>
@@ -596,8 +596,7 @@ public interface BrowserContext extends AutoCloseable {
   */
  List<Page> backgroundPages();
  /**
-   * Gets the browser instance that owns the context. Returns {@code null} if the context is created outside of normal
-   * browser, e.g. Android or Electron.
+   * Returns the browser instance of the context. If it was launched as a persistent context null gets returned.
   *
   * @since v1.8
   */
@@ -872,7 +871,6 @@ public interface BrowserContext extends AutoCloseable {
   * <li> {@code "notifications"}</li>
   * <li> {@code "payment-handler"}</li>
   * <li> {@code "storage-access"}</li>
-   * <li> {@code "local-fonts"}</li>
   * </ul>
   * @since v1.8
   */
@@ -905,7 +903,6 @@ public interface BrowserContext extends AutoCloseable {
   * <li> {@code "notifications"}</li>
   * <li> {@code "payment-handler"}</li>
   * <li> {@code "storage-access"}</li>
-   * <li> {@code "local-fonts"}</li>
   * </ul>
   * @since v1.8
   */
@@ -209,9 +209,6 @@ public interface BrowserType {
    /**
     * Firefox user preferences. Learn more about the Firefox user preferences at <a
     * href="https://support.mozilla.org/en-US/kb/about-config-editor-firefox">{@code about:config}</a>.
-     *
-     * <p> You can also provide a path to a custom <a href="https://mozilla.github.io/policy-templates/">{@code policies.json}
-     * file</a> via {@code PLAYWRIGHT_FIREFOX_POLICIES_JSON} environment variable.
     */
    public Map<String, Object> firefoxUserPrefs;
    /**
@@ -342,9 +339,6 @@ public interface BrowserType {
    /**
     * Firefox user preferences. Learn more about the Firefox user preferences at <a
     * href="https://support.mozilla.org/en-US/kb/about-config-editor-firefox">{@code about:config}</a>.
-     *
-     * <p> You can also provide a path to a custom <a href="https://mozilla.github.io/policy-templates/">{@code policies.json}
-     * file</a> via {@code PLAYWRIGHT_FIREFOX_POLICIES_JSON} environment variable.
     */
    public LaunchOptions setFirefoxUserPrefs(Map<String, Object> firefoxUserPrefs) {
      this.firefoxUserPrefs = firefoxUserPrefs;
@@ -541,9 +535,6 @@ public interface BrowserType {
    /**
     * Firefox user preferences. Learn more about the Firefox user preferences at <a
     * href="https://support.mozilla.org/en-US/kb/about-config-editor-firefox">{@code about:config}</a>.
-     *
-     * <p> You can also provide a path to a custom <a href="https://mozilla.github.io/policy-templates/">{@code policies.json}
-     * file</a> via {@code PLAYWRIGHT_FIREFOX_POLICIES_JSON} environment variable.
     */
    public Map<String, Object> firefoxUserPrefs;
    /**
@@ -890,9 +881,6 @@ public interface BrowserType {
    /**
     * Firefox user preferences. Learn more about the Firefox user preferences at <a
     * href="https://support.mozilla.org/en-US/kb/about-config-editor-firefox">{@code about:config}</a>.
-     *
-     * <p> You can also provide a path to a custom <a href="https://mozilla.github.io/policy-templates/">{@code policies.json}
-     * file</a> via {@code PLAYWRIGHT_FIREFOX_POLICIES_JSON} environment variable.
     */
    public LaunchPersistentContextOptions setFirefoxUserPrefs(Map<String, Object> firefoxUserPrefs) {
      this.firefoxUserPrefs = firefoxUserPrefs;
@@ -30,6 +30,11 @@ import java.util.regex.Pattern;
 */
 public interface Locator {
  class AriaSnapshotOptions {
+    /**
+     * Generate symbolic reference for each element. One can use {@code aria-ref=<ref>} locator immediately after capturing the
+     * snapshot to perform actions on the element.
+     */
+    public Boolean ref;
    /**
     * Maximum time in milliseconds. Defaults to {@code 30000} (30 seconds). Pass {@code 0} to disable timeout. The default
     * value can be changed by using the {@link com.microsoft.playwright.BrowserContext#setDefaultTimeout
@@ -38,6 +43,14 @@ public interface Locator {
     */
    public Double timeout;

+    /**
+     * Generate symbolic reference for each element. One can use {@code aria-ref=<ref>} locator immediately after capturing the
+     * snapshot to perform actions on the element.
+     */
+    public AriaSnapshotOptions setRef(boolean ref) {
+      this.ref = ref;
+      return this;
+    }
    /**
     * Maximum time in milliseconds. Defaults to {@code 30000} (30 seconds). Pass {@code 0} to disable timeout. The default
     * value can be changed by using the {@link com.microsoft.playwright.BrowserContext#setDefaultTimeout
@@ -2602,20 +2615,6 @@ public interface Locator {
   * @since v1.14
   */
  void dblclick(DblclickOptions options);
-  /**
-   * Describes the locator, description is used in the trace viewer and reports. Returns the locator pointing to the same
-   * element.
-   *
-   * <p> <strong>Usage</strong>
-   * <pre>{@code
-   * Locator button = page.getByTestId("btn-sub").describe("Subscribe button");
-   * button.click();
-   * }</pre>
-   *
-   * @param description Locator description.
-   * @since v1.53
-   */
-  Locator describe(String description);
  /**
   * Programmatically dispatch an event on the matching element.
   *
@@ -2862,14 +2861,6 @@ public interface Locator {
   *
   * <p> <strong>Usage</strong>
   *
-   * <p> Passing argument to {@code expression}:
-   * <pre>{@code
-   * Object result = page.getByTestId("myId").evaluate("(element, [x, y]) => {\n" +
-   *   "  return element.textContent + ' ' + x * y;\n" +
-   *   "}", Arrays.asList(7, 8));
-   * System.out.println(result); // prints "myId text 56"
-   * }</pre>
-   *
   * @param expression JavaScript expression to be evaluated in the browser context. If the expression evaluates to a function, the function is
   * automatically invoked.
   * @param arg Optional argument to pass to {@code expression}.
@@ -2894,14 +2885,6 @@ public interface Locator {
   *
   * <p> <strong>Usage</strong>
   *
-   * <p> Passing argument to {@code expression}:
-   * <pre>{@code
-   * Object result = page.getByTestId("myId").evaluate("(element, [x, y]) => {\n" +
-   *   "  return element.textContent + ' ' + x * y;\n" +
-   *   "}", Arrays.asList(7, 8));
-   * System.out.println(result); // prints "myId text 56"
-   * }</pre>
-   *
   * @param expression JavaScript expression to be evaluated in the browser context. If the expression evaluates to a function, the function is
   * automatically invoked.
   * @since v1.14
@@ -2925,14 +2908,6 @@ public interface Locator {
   *
   * <p> <strong>Usage</strong>
   *
-   * <p> Passing argument to {@code expression}:
-   * <pre>{@code
-   * Object result = page.getByTestId("myId").evaluate("(element, [x, y]) => {\n" +
-   *   "  return element.textContent + ' ' + x * y;\n" +
-   *   "}", Arrays.asList(7, 8));
-   * System.out.println(result); // prints "myId text 56"
-   * }</pre>
-   *
   * @param expression JavaScript expression to be evaluated in the browser context. If the expression evaluates to a function, the function is
   * automatically invoked.
   * @param arg Optional argument to pass to {@code expression}.
@@ -21,11 +21,6 @@ import com.microsoft.playwright.options.*;
 /**
 * The Mouse class operates in main-frame CSS pixels relative to the top-left corner of the viewport.
 *
- * <p> <strong>NOTE:</strong> If you want to debug where the mouse moved, you can use the <a
- * href="https://playwright.dev/java/docs/trace-viewer-intro">Trace viewer</a> or <a
- * href="https://playwright.dev/java/docs/running-tests">Playwright Inspector</a>. A red dot showing the location of the
- * mouse will be shown for every mouse action.
- *
 * <p> Every {@code page} object has its own Mouse, accessible with {@link com.microsoft.playwright.Page#mouse Page.mouse()}.
 * <pre>{@code
 * // Using ‘page.mouse’ to trace a 100x100 square.
@@ -23,12 +23,6 @@ import java.nio.file.Path;
 * API for collecting and saving Playwright traces. Playwright traces can be opened in <a
 * href="https://playwright.dev/java/docs/trace-viewer">Trace Viewer</a> after Playwright script runs.
 *
- * <p> <strong>NOTE:</strong> You probably want to <a href="https://playwright.dev/docs/api/class-testoptions#test-options-trace">enable tracing in
- * your config file</a> instead of using {@code context.tracing}.The {@code context.tracing} API captures browser operations and network activity, but it doesn't record test assertions
- * (like {@code expect} calls). We recommend <a
- * href="https://playwright.dev/docs/api/class-testoptions#test-options-trace">enabling tracing through Playwright Test
- * configuration</a>, which includes those assertions and provides a more complete trace for debugging test failures.
- *
 * <p> Start recording a trace before performing actions. At the end, stop tracing and save it to a file.
 * <pre>{@code
 * Browser browser = chromium.launch();
@@ -206,12 +200,6 @@ public interface Tracing {
  /**
   * Start tracing.
   *
-   * <p> <strong>NOTE:</strong> You probably want to <a href="https://playwright.dev/docs/api/class-testoptions#test-options-trace">enable tracing in
-   * your config file</a> instead of using {@code Tracing.start}.The {@code context.tracing} API captures browser operations and network activity, but it doesn't record test assertions
-   * (like {@code expect} calls). We recommend <a
-   * href="https://playwright.dev/docs/api/class-testoptions#test-options-trace">enabling tracing through Playwright Test
-   * configuration</a>, which includes those assertions and provides a more complete trace for debugging test failures.
-   *
   * <p> <strong>Usage</strong>
   * <pre>{@code
   * context.tracing().start(new Tracing.StartOptions()
@@ -231,12 +219,6 @@ public interface Tracing {
  /**
   * Start tracing.
   *
-   * <p> <strong>NOTE:</strong> You probably want to <a href="https://playwright.dev/docs/api/class-testoptions#test-options-trace">enable tracing in
-   * your config file</a> instead of using {@code Tracing.start}.The {@code context.tracing} API captures browser operations and network activity, but it doesn't record test assertions
-   * (like {@code expect} calls). We recommend <a
-   * href="https://playwright.dev/docs/api/class-testoptions#test-options-trace">enabling tracing through Playwright Test
-   * configuration</a>, which includes those assertions and provides a more complete trace for debugging test failures.
-   *
   * <p> <strong>Usage</strong>
   * <pre>{@code
   * context.tracing().start(new Tracing.StartOptions()
@@ -27,7 +27,7 @@ import java.util.function.Consumer;
 *
 * <p> <strong>Mocking</strong>
 *
- * <p> By default, the routed WebSocket will not connect to the server. This way, you can mock entire communication over the
+ * <p> By default, the routed WebSocket will not connect to the server. This way, you can mock entire communcation over the
 * WebSocket. Here is an example that responds to a {@code "request"} with a {@code "response"}.
 * <pre>{@code
 * page.routeWebSocket("wss://example.com/ws", ws -> {
@@ -885,7 +885,7 @@ public interface LocatorAssertions {
   * <p> When an array is passed, the method asserts that the list of elements located matches the corresponding list of expected
   * class lists. Each element's class attribute is matched against the corresponding class in the array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).containsClass(new String[] {"inactive", "active", "inactive"});
+   * assertThat(page.locator("list > .component")).containsClass(new String[] {"inactive", "active", "inactive"});
   * }</pre>
   *
   * @param expected A string containing expected class names, separated by spaces, or a list of such strings to assert multiple elements.
@@ -909,7 +909,7 @@ public interface LocatorAssertions {
   * <p> When an array is passed, the method asserts that the list of elements located matches the corresponding list of expected
   * class lists. Each element's class attribute is matched against the corresponding class in the array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).containsClass(new String[] {"inactive", "active", "inactive"});
+   * assertThat(page.locator("list > .component")).containsClass(new String[] {"inactive", "active", "inactive"});
   * }</pre>
   *
   * @param expected A string containing expected class names, separated by spaces, or a list of such strings to assert multiple elements.
@@ -931,7 +931,7 @@ public interface LocatorAssertions {
   * <p> When an array is passed, the method asserts that the list of elements located matches the corresponding list of expected
   * class lists. Each element's class attribute is matched against the corresponding class in the array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).containsClass(new String[] {"inactive", "active", "inactive"});
+   * assertThat(page.locator("list > .component")).containsClass(new String[] {"inactive", "active", "inactive"});
   * }</pre>
   *
   * @param expected A string containing expected class names, separated by spaces, or a list of such strings to assert multiple elements.
@@ -955,7 +955,7 @@ public interface LocatorAssertions {
   * <p> When an array is passed, the method asserts that the list of elements located matches the corresponding list of expected
   * class lists. Each element's class attribute is matched against the corresponding class in the array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).containsClass(new String[] {"inactive", "active", "inactive"});
+   * assertThat(page.locator("list > .component")).containsClass(new String[] {"inactive", "active", "inactive"});
   * }</pre>
   *
   * @param expected A string containing expected class names, separated by spaces, or a list of such strings to assert multiple elements.
@@ -1565,7 +1565,7 @@ public interface LocatorAssertions {
   * class values. Each element's class attribute is matched against the corresponding string or regular expression in the
   * array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).hasClass(new String[] {"component", "component selected", "component"});
+   * assertThat(page.locator("list > .component")).hasClass(new String[] {"component", "component selected", "component"});
   * }</pre>
   *
   * @param expected Expected class or RegExp or a list of those.
@@ -1589,7 +1589,7 @@ public interface LocatorAssertions {
   * class values. Each element's class attribute is matched against the corresponding string or regular expression in the
   * array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).hasClass(new String[] {"component", "component selected", "component"});
+   * assertThat(page.locator("list > .component")).hasClass(new String[] {"component", "component selected", "component"});
   * }</pre>
   *
   * @param expected Expected class or RegExp or a list of those.
@@ -1611,7 +1611,7 @@ public interface LocatorAssertions {
   * class values. Each element's class attribute is matched against the corresponding string or regular expression in the
   * array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).hasClass(new String[] {"component", "component selected", "component"});
+   * assertThat(page.locator("list > .component")).hasClass(new String[] {"component", "component selected", "component"});
   * }</pre>
   *
   * @param expected Expected class or RegExp or a list of those.
@@ -1635,7 +1635,7 @@ public interface LocatorAssertions {
   * class values. Each element's class attribute is matched against the corresponding string or regular expression in the
   * array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).hasClass(new String[] {"component", "component selected", "component"});
+   * assertThat(page.locator("list > .component")).hasClass(new String[] {"component", "component selected", "component"});
   * }</pre>
   *
   * @param expected Expected class or RegExp or a list of those.
@@ -1657,7 +1657,7 @@ public interface LocatorAssertions {
   * class values. Each element's class attribute is matched against the corresponding string or regular expression in the
   * array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).hasClass(new String[] {"component", "component selected", "component"});
+   * assertThat(page.locator("list > .component")).hasClass(new String[] {"component", "component selected", "component"});
   * }</pre>
   *
   * @param expected Expected class or RegExp or a list of those.
@@ -1681,7 +1681,7 @@ public interface LocatorAssertions {
   * class values. Each element's class attribute is matched against the corresponding string or regular expression in the
   * array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).hasClass(new String[] {"component", "component selected", "component"});
+   * assertThat(page.locator("list > .component")).hasClass(new String[] {"component", "component selected", "component"});
   * }</pre>
   *
   * @param expected Expected class or RegExp or a list of those.
@@ -1703,7 +1703,7 @@ public interface LocatorAssertions {
   * class values. Each element's class attribute is matched against the corresponding string or regular expression in the
   * array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).hasClass(new String[] {"component", "component selected", "component"});
+   * assertThat(page.locator("list > .component")).hasClass(new String[] {"component", "component selected", "component"});
   * }</pre>
   *
   * @param expected Expected class or RegExp or a list of those.
@@ -1727,7 +1727,7 @@ public interface LocatorAssertions {
   * class values. Each element's class attribute is matched against the corresponding string or regular expression in the
   * array:
   * <pre>{@code
-   * assertThat(page.locator(".list > .component")).hasClass(new String[] {"component", "component selected", "component"});
+   * assertThat(page.locator("list > .component")).hasClass(new String[] {"component", "component selected", "component"});
   * }</pre>
   *
   * @param expected Expected class or RegExp or a list of those.
@@ -39,8 +39,6 @@ class APIRequestContextImpl extends ChannelOwner implements APIRequestContext {
  private final TracingImpl tracing;
  private String disposeReason;

-  protected TimeoutSettings timeoutSettings = new TimeoutSettings();
-
  APIRequestContextImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
    this.tracing = connection.getExistingObject(initializer.getAsJsonObject("tracing").get("guid").getAsString());
@@ -53,17 +51,21 @@ class APIRequestContextImpl extends ChannelOwner implements APIRequestContext {

  @Override
  public void dispose(DisposeOptions options) {
+    withLogging("APIRequestContext.dispose", () -> disposeImpl(options));
+  }
+
+  private void disposeImpl(DisposeOptions options) {
    if (options == null) {
      options = new DisposeOptions();
    }
    disposeReason = options.reason;
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("dispose", params, NO_TIMEOUT);
+    sendMessage("dispose", params);
  }

  @Override
  public APIResponse fetch(String urlOrRequest, RequestOptions options) {
-    return fetchImpl(urlOrRequest, (RequestOptionsImpl) options);
+    return withLogging("APIRequestContext.fetch", () -> fetchImpl(urlOrRequest, (RequestOptionsImpl) options));
  }

  @Override
@@ -91,7 +93,6 @@ class APIRequestContextImpl extends ChannelOwner implements APIRequestContext {
    if (options == null) {
      options = new RequestOptionsImpl();
    }
-    options.timeout = timeoutSettings.timeout(options.timeout);
    JsonObject params = new JsonObject();
    params.addProperty("url", url);
    if (options.params != null) {
@@ -131,6 +132,9 @@ class APIRequestContextImpl extends ChannelOwner implements APIRequestContext {
    if (options.multipart != null) {
      params.add("multipartData", serializeMultipartData(options.multipart.fields));
    }
+    if (options.timeout != null) {
+      params.addProperty("timeout", options.timeout);
+    }
    if (options.failOnStatusCode != null) {
      params.addProperty("failOnStatusCode", options.failOnStatusCode);
    }
@@ -149,7 +153,7 @@ class APIRequestContextImpl extends ChannelOwner implements APIRequestContext {
      }
      params.addProperty("maxRetries", options.maxRetries);
    }
-    JsonObject json = sendMessage("fetch", params, timeoutSettings.timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("fetch", params).getAsJsonObject();
    return new APIResponseImpl(this, json.getAsJsonObject("response"));
  }

@@ -215,12 +219,14 @@ class APIRequestContextImpl extends ChannelOwner implements APIRequestContext {

  @Override
  public String storageState(StorageStateOptions options) {
-    JsonElement json = sendMessage("storageState");
-    String storageState = json.toString();
-    if (options != null && options.path != null) {
-      Utils.writeToFile(storageState.getBytes(StandardCharsets.UTF_8), options.path);
-    }
-    return storageState;
+    return withLogging("APIRequestContext.storageState", () -> {
+      JsonElement json = sendMessage("storageState");
+      String storageState = json.toString();
+      if (options != null && options.path != null) {
+        Utils.writeToFile(storageState.getBytes(StandardCharsets.UTF_8), options.path);
+      }
+      return storageState;
+    });
  }

  private static RequestOptionsImpl ensureOptions(RequestOptions options, String method) {
@@ -17,6 +17,7 @@
 package com.microsoft.playwright.impl;

 import com.google.gson.Gson;
+import com.google.gson.JsonArray;
 import com.google.gson.JsonObject;
 import com.microsoft.playwright.APIRequest;
 import com.microsoft.playwright.PlaywrightException;
@@ -25,11 +26,12 @@ import com.microsoft.playwright.options.ClientCertificate;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
+import java.util.Base64;
 import java.util.List;

-import static com.microsoft.playwright.impl.ChannelOwner.NO_TIMEOUT;
 import static com.microsoft.playwright.impl.Serialization.gson;
 import static com.microsoft.playwright.impl.Utils.addToProtocol;
+import static java.nio.file.Files.readAllBytes;

 class APIRequestImpl implements APIRequest {
  private final PlaywrightImpl playwright;
@@ -40,6 +42,10 @@ class APIRequestImpl implements APIRequest {

  @Override
  public APIRequestContextImpl newContext(NewContextOptions options) {
+    return playwright.withLogging("APIRequest.newContext", () -> newContextImpl(options));
+  }
+
+  private APIRequestContextImpl newContextImpl(NewContextOptions options) {
    if (options == null) {
      options = new NewContextOptions();
    } else {
@@ -61,17 +67,13 @@ class APIRequestImpl implements APIRequest {
    }
    List<ClientCertificate> clientCertificateList = options.clientCertificates;
    options.clientCertificates = null;
-    Double timeout = options.timeout;
-    // Timeout is handled on the client.
-    options.timeout = null;
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    if (storageState != null) {
      params.add("storageState", storageState);
    }
    addToProtocol(params, clientCertificateList);
-    JsonObject result = playwright.sendMessage("newRequest", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject result = playwright.sendMessage("newRequest", params).getAsJsonObject();
    APIRequestContextImpl context = playwright.connection.getExistingObject(result.getAsJsonObject("request").get("guid").getAsString());
-    context.timeoutSettings.setDefaultTimeout(timeout);
    return context;
  }
 }
@@ -17,6 +17,7 @@
 package com.microsoft.playwright.impl;

 import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.reflect.TypeToken;
 import com.microsoft.playwright.APIResponse;
@@ -28,7 +29,6 @@ import java.util.Base64;
 import java.util.List;
 import java.util.Map;

-import static com.microsoft.playwright.impl.ChannelOwner.NO_TIMEOUT;
 import static com.microsoft.playwright.impl.Serialization.gson;
 import static com.microsoft.playwright.impl.Utils.isSafeCloseError;
 import static java.util.Arrays.asList;
@@ -49,7 +49,7 @@ class APIResponseImpl implements APIResponse {
    try {
      JsonObject params = new JsonObject();
      params.addProperty("fetchUid", fetchUid());
-      JsonObject json = context.sendMessage("fetchResponseBody", params, NO_TIMEOUT).getAsJsonObject();
+      JsonObject json = context.sendMessage("fetchResponseBody", params).getAsJsonObject();
      if (!json.has("binary")) {
        throw new PlaywrightException("Response has been disposed");
      }
@@ -64,9 +64,11 @@ class APIResponseImpl implements APIResponse {

  @Override
  public void dispose() {
-    JsonObject params = new JsonObject();
-    params.addProperty("fetchUid", fetchUid());
-    context.sendMessage("disposeAPIResponse", params, NO_TIMEOUT);
+    context.withLogging("APIResponse.dispose", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("fetchUid", fetchUid());
+      context.sendMessage("disposeAPIResponse", params);
+    });
  }

  @Override
@@ -112,7 +114,7 @@ class APIResponseImpl implements APIResponse {
  List<String> fetchLog() {
    JsonObject params = new JsonObject();
    params.addProperty("fetchUid", fetchUid());
-    JsonObject json = context.sendMessage("fetchLog", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject json = context.sendMessage("fetchLog", params).getAsJsonObject();
    JsonArray log = json.get("log").getAsJsonArray();
    return gson().fromJson(log, new TypeToken<List<String>>() {}.getType());
  }
@@ -86,6 +86,6 @@ class ArtifactImpl extends ChannelOwner {

    JsonObject params = new JsonObject();
    params.addProperty("path", path.toString());
-    sendMessage("saveAs", params, NO_TIMEOUT);
+    sendMessage("saveAs", params);
  }
 }
@@ -16,6 +16,7 @@

 package com.microsoft.playwright.impl;

+import com.microsoft.playwright.PlaywrightException;
 import org.opentest4j.AssertionFailedError;
 import org.opentest4j.ValueWrapper;

@@ -28,26 +29,28 @@ import java.util.stream.Collectors;
 import static com.microsoft.playwright.impl.Utils.toJsRegexFlags;
 import static java.util.Arrays.asList;

-abstract class AssertionsBase {
+class AssertionsBase {
+  final LocatorImpl actualLocator;
  final boolean isNot;

-  AssertionsBase(boolean isNot) {
+  AssertionsBase(LocatorImpl actual, boolean isNot) {
+    this.actualLocator = actual;
    this.isNot = isNot;
  }

-  void expectImpl(String expression, ExpectedTextValue textValue, Object expected, String message, FrameExpectOptions options, String title) {
-    expectImpl(expression, asList(textValue), expected, message, options, title);
+  void expectImpl(String expression, ExpectedTextValue textValue, Object expected, String message, FrameExpectOptions options) {
+    expectImpl(expression, asList(textValue), expected, message, options);
  }

-  void expectImpl(String expression, List<ExpectedTextValue> expectedText, Object expected, String message, FrameExpectOptions options, String title) {
+  void expectImpl(String expression, List<ExpectedTextValue> expectedText, Object expected, String message, FrameExpectOptions options) {
    if (options == null) {
      options = new FrameExpectOptions();
    }
    options.expectedText = expectedText;
-    expectImpl(expression, options, expected, message, title);
+    expectImpl(expression, options, expected, message);
  }

-  void expectImpl(String expression, FrameExpectOptions expectOptions, Object expected, String message, String title) {
+  void expectImpl(String expression, FrameExpectOptions expectOptions, Object expected, String message) {
    if (expectOptions.timeout == null) {
      expectOptions.timeout = AssertionsTimeout.defaultTimeout;
    }
@@ -55,7 +58,7 @@ abstract class AssertionsBase {
    if (isNot) {
      message = message.replace("expected to", "expected not to");
    }
-    FrameExpectResult result = doExpect(expression, expectOptions, title);
+    FrameExpectResult result = actualLocator.expect(expression, expectOptions);
    if (result.matches == isNot) {
      Object actual = result.received == null ? null : Serialization.deserialize(result.received);
      String log = (result.log == null) ? "" : String.join("\n", result.log);
@@ -72,9 +75,7 @@ abstract class AssertionsBase {
    }
  }

-  abstract FrameExpectResult doExpect(String expression, FrameExpectOptions expectOptions, String title);
-
-  protected static ValueWrapper formatValue(Object value) {
+  private static ValueWrapper formatValue(Object value) {
    if (value == null || !value.getClass().isArray()) {
      return ValueWrapper.create(value);
    }
@@ -78,11 +78,11 @@ class BindingCall extends ChannelOwner {

      JsonObject params = new JsonObject();
      params.add("result", gson().toJsonTree(serializeArgument(result)));
-      sendMessage("resolve", params, NO_TIMEOUT);
+      sendMessage("resolve", params);
    } catch (RuntimeException exception) {
      JsonObject params = new JsonObject();
      params.add("error", gson().toJsonTree(serializeError(exception)));
-      sendMessage("reject", params, NO_TIMEOUT);
+      sendMessage("reject", params);
    }
  }
 }
@@ -42,7 +42,7 @@ import static java.nio.file.Files.readAllBytes;
 import static java.util.Arrays.asList;

 class BrowserContextImpl extends ChannelOwner implements BrowserContext {
-  protected BrowserImpl browser;
+  private final BrowserImpl browser;
  private final TracingImpl tracing;
  private final APIRequestContextImpl request;
  private final ClockImpl clock;
@@ -51,7 +51,7 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {

  final Router routes = new Router();
  final WebSocketRouter webSocketRoutes = new WebSocketRouter();
-  private boolean closingOrClosed;
+  private boolean closeWasCalled;
  private final WaitableEvent<EventType, ?> closePromise;
  final Map<String, BindingCallback> bindings = new HashMap<>();
  PageImpl ownerPage;
@@ -69,6 +69,8 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
  }
  private final ListenerCollection<EventType> listeners = new ListenerCollection<>(eventSubscriptions(), this);
  final TimeoutSettings timeoutSettings = new TimeoutSettings();
+  Path videosDir;
+  URL baseUrl;
  final Map<String, HarRecorder> harRecorders = new HashMap<>();

  static class HarRecorder {
@@ -96,30 +98,29 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {

  BrowserContextImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
+    if (parent instanceof BrowserImpl) {
+      browser = (BrowserImpl) parent;
+    } else {
+      browser = null;
+    }
    tracing = connection.getExistingObject(initializer.getAsJsonObject("tracing").get("guid").getAsString());
    request = connection.getExistingObject(initializer.getAsJsonObject("requestContext").get("guid").getAsString());
-    request.timeoutSettings = timeoutSettings;
    clock = new ClockImpl(this);
    closePromise = new WaitableEvent<>(listeners, EventType.CLOSE);
  }

-  Path videosDir() {
-    JsonObject recordVideo = initializer.getAsJsonObject("options").getAsJsonObject("recordVideo");
-    if (recordVideo == null) {
-      return null;
+  void setRecordHar(Path path, HarContentPolicy policy) {
+    if (path != null) {
+      harRecorders.put("", new HarRecorder(path, policy));
    }
-    return Paths.get(recordVideo.get("dir").getAsString());
  }

-  URL baseUrl() {
-    JsonElement url = initializer.getAsJsonObject("options").get("baseURL");
-    if (url != null) {
-      try {
-        return new URL(url.getAsString());
-      } catch (MalformedURLException e) {
-      }
+  void setBaseUrl(String spec) {
+    try {
+      this.baseUrl = new URL(spec);
+    } catch (MalformedURLException e) {
+      this.baseUrl = null;
    }
-    return null;
  }

  String effectiveCloseReason() {
@@ -261,7 +262,7 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
  public CDPSession newCDPSession(Page page) {
    JsonObject params = new JsonObject();
    params.add("page", ((PageImpl) page).toProtocolRef());
-    JsonObject result = sendMessage("newCDPSession", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject result = sendMessage("newCDPSession", params).getAsJsonObject();
    return connection.getExistingObject(result.getAsJsonObject("session").get("guid").getAsString());
  }

@@ -269,14 +270,23 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
  public CDPSession newCDPSession(Frame frame) {
    JsonObject params = new JsonObject();
    params.add("frame", ((FrameImpl) frame).toProtocolRef());
-    JsonObject result = sendMessage("newCDPSession", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject result = sendMessage("newCDPSession", params).getAsJsonObject();
    return connection.getExistingObject(result.getAsJsonObject("session").get("guid").getAsString());
  }

  @Override
  public void close(CloseOptions options) {
-    if (!closingOrClosed) {
-      closingOrClosed = true;
+    withLogging("BrowserContext.close", () -> closeImpl(options));
+  }
+
+  @Override
+  public List<Cookie> cookies(String url) {
+    return cookies(url == null ? new ArrayList<>() : Collections.singletonList(url));
+  }
+
+  private void closeImpl(CloseOptions options) {
+    if (!closeWasCalled) {
+      closeWasCalled = true;
      if (options == null) {
        options = new CloseOptions();
      }
@@ -285,7 +295,7 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
      for (Map.Entry<String, HarRecorder> entry : harRecorders.entrySet()) {
        JsonObject params = new JsonObject();
        params.addProperty("harId", entry.getKey());
-        JsonObject json = sendMessage("harExport", params, NO_TIMEOUT).getAsJsonObject();
+        JsonObject json = sendMessage("harExport", params).getAsJsonObject();
        ArtifactImpl artifact = connection.getExistingObject(json.getAsJsonObject("artifact").get("guid").getAsString());
        // Server side will compress artifact if content is attach or if file is .zip.
        HarRecorder harParams = entry.getValue();
@@ -297,46 +307,42 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
          JsonObject unzipParams = new JsonObject();
          unzipParams.addProperty("zipFile", tmpPath);
          unzipParams.addProperty("harFile", harParams.path.toString());
-          connection.localUtils.sendMessage("harUnzip", unzipParams, NO_TIMEOUT);
+          connection.localUtils.sendMessage("harUnzip", unzipParams);
        } else {
          artifact.saveAs(harParams.path);
        }
        artifact.delete();
      }
      JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-      sendMessage("close", params, NO_TIMEOUT);
+      sendMessage("close", params);
    }
    runUntil(() -> {}, closePromise);
  }

-  @Override
-  public List<Cookie> cookies(String url) {
-    return cookies(url == null ? new ArrayList<>() : Collections.singletonList(url));
-  }
-
-
  @Override
  public void addCookies(List<Cookie> cookies) {
-    JsonObject params = new JsonObject();
-    params.add("cookies", gson().toJsonTree(cookies));
-    sendMessage("addCookies", params, NO_TIMEOUT);
+    withLogging("BrowserContext.addCookies", () -> {
+      JsonObject params = new JsonObject();
+      params.add("cookies", gson().toJsonTree(cookies));
+      sendMessage("addCookies", params);
+    });
  }

  @Override
  public void addInitScript(String script) {
-    JsonObject params = new JsonObject();
-    params.addProperty("source", script);
-    sendMessage("addInitScript", params, NO_TIMEOUT);
+    withLogging("BrowserContext.addInitScript", () -> addInitScriptImpl(script));
  }

  @Override
  public void addInitScript(Path path) {
-    try {
-      byte[] bytes = readAllBytes(path);
-      addInitScript(new String(bytes, UTF_8));
-    } catch (IOException e) {
-      throw new PlaywrightException("Failed to read script from file", e);
-    }
+    withLogging("BrowserContext.addInitScript", () -> {
+      try {
+        byte[] bytes = readAllBytes(path);
+        addInitScriptImpl(new String(bytes, UTF_8));
+      } catch (IOException e) {
+        throw new PlaywrightException("Failed to read script from file", e);
+      }
+    });
  }

  @Override
@@ -344,6 +350,12 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
    return new ArrayList<>(backgroundPages);
  }

+  private void addInitScriptImpl(String script) {
+    JsonObject params = new JsonObject();
+    params.addProperty("source", script);
+    sendMessage("addInitScript", params);
+  }
+
  @Override
  public BrowserImpl browser() {
    return browser;
@@ -351,6 +363,10 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {

  @Override
  public void clearCookies(ClearCookiesOptions options) {
+    withLogging("BrowserContext.clearCookies", () -> clearCookiesImpl(options));
+  }
+
+  private void clearCookiesImpl(ClearCookiesOptions options) {
    if (options == null) {
      options = new ClearCookiesOptions();
    }
@@ -358,7 +374,7 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
    setStringOrRegex(params, "name", options.name);
    setStringOrRegex(params, "domain", options.domain);
    setStringOrRegex(params, "path", options.path);
-    sendMessage("clearCookies", params, NO_TIMEOUT);
+    sendMessage("clearCookies", params);
  }

  private static void setStringOrRegex(JsonObject params, String name, Object value) {
@@ -373,24 +389,28 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {

  @Override
  public void clearPermissions() {
-    sendMessage("clearPermissions");
+    withLogging("BrowserContext.clearPermissions", () -> sendMessage("clearPermissions"));
  }

  @Override
  public List<Cookie> cookies(List<String> urls) {
+    return withLogging("BrowserContext.cookies", () -> cookiesImpl(urls));
+  }
+
+  private List<Cookie> cookiesImpl(List<String> urls) {
    JsonObject params = new JsonObject();
    if (urls == null) {
      urls = new ArrayList<>();
    }
    params.add("urls", gson().toJsonTree(urls));
-    JsonObject json = sendMessage("cookies", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject json = sendMessage("cookies", params).getAsJsonObject();
    Cookie[] cookies = gson().fromJson(json.getAsJsonArray("cookies"), Cookie[].class);
    return asList(cookies);
  }

  @Override
  public void exposeBinding(String name, BindingCallback playwrightBinding, ExposeBindingOptions options) {
-    exposeBindingImpl(name, playwrightBinding, options);
+    withLogging("BrowserContext.exposeBinding", () -> exposeBindingImpl(name, playwrightBinding, options));
  }

  private void exposeBindingImpl(String name, BindingCallback playwrightBinding, ExposeBindingOptions options) {
@@ -409,16 +429,21 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
    if (options != null && options.handle != null && options.handle) {
      params.addProperty("needsHandle", true);
    }
-    sendMessage("exposeBinding", params, NO_TIMEOUT);
+    sendMessage("exposeBinding", params);
  }

  @Override
  public void exposeFunction(String name, FunctionCallback playwrightFunction) {
-    exposeBindingImpl(name, (BindingCallback.Source source, Object... args) -> playwrightFunction.call(args), null);
+    withLogging("BrowserContext.exposeFunction",
+      () -> exposeBindingImpl(name, (BindingCallback.Source source, Object... args) -> playwrightFunction.call(args), null));
  }

  @Override
  public void grantPermissions(List<String> permissions, GrantPermissionsOptions options) {
+    withLogging("BrowserContext.grantPermissions", () -> grantPermissionsImpl(permissions, options));
+  }
+
+  private void grantPermissionsImpl(List<String> permissions, GrantPermissionsOptions options) {
    if (options == null) {
      options = new GrantPermissionsOptions();
    }
@@ -427,11 +452,15 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.add("permissions", gson().toJsonTree(permissions));
-    sendMessage("grantPermissions", params, NO_TIMEOUT);
+    sendMessage("grantPermissions", params);
  }

  @Override
  public PageImpl newPage() {
+    return withLogging("BrowserContext.newPage", () -> newPageImpl());
+  }
+
+  private PageImpl newPageImpl() {
    if (ownerPage != null) {
      throw new PlaywrightException("Please use browser.newContext()");
    }
@@ -451,7 +480,7 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {

  @Override
  public void route(String url, Consumer<Route> handler, RouteOptions options) {
-    route(UrlMatcher.forGlob(baseUrl(), url, this.connection.localUtils, false), handler, options);
+    route(UrlMatcher.forGlob(baseUrl, url, this.connection.localUtils, false), handler, options);
  }

  @Override
@@ -470,23 +499,25 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
      options = new RouteFromHAROptions();
    }
    if (options.update != null && options.update) {
-      recordIntoHar(null, har, options, null);
+      recordIntoHar(null, har, options);
      return;
    }
-    UrlMatcher matcher = UrlMatcher.forOneOf(baseUrl(), options.url, this.connection.localUtils, false);
+    UrlMatcher matcher = UrlMatcher.forOneOf(baseUrl, options.url, this.connection.localUtils, false);
    HARRouter harRouter = new HARRouter(connection.localUtils, har, options.notFound);
    onClose(context -> harRouter.dispose());
    route(matcher, route -> harRouter.handle(route), null);
  }

  private void route(UrlMatcher matcher, Consumer<Route> handler, RouteOptions options) {
-    routes.add(matcher, handler, options == null ? null : options.times);
-    updateInterceptionPatterns();
+    withLogging("BrowserContext.route", () -> {
+      routes.add(matcher, handler, options == null ? null : options.times);
+      updateInterceptionPatterns();
+    });
  }

  @Override
  public void routeWebSocket(String url, Consumer<WebSocketRoute> handler) {
-    routeWebSocketImpl(UrlMatcher.forGlob(baseUrl(), url, this.connection.localUtils, true), handler);
+    routeWebSocketImpl(UrlMatcher.forGlob(baseUrl, url, this.connection.localUtils, true), handler);
  }

  @Override
@@ -500,82 +531,108 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
  }

  private void routeWebSocketImpl(UrlMatcher matcher, Consumer<WebSocketRoute> handler) {
-    webSocketRoutes.add(matcher, handler);
-    updateWebSocketInterceptionPatterns();
+    withLogging("BrowserContext.routeWebSocket", () -> {
+      webSocketRoutes.add(matcher, handler);
+      updateWebSocketInterceptionPatterns();
+    });
  }

-  void recordIntoHar(PageImpl page, Path har, RouteFromHAROptions options, HarContentPolicy contentPolicy) {
-    if (contentPolicy == null) {
-      contentPolicy = Utils.convertType(options.updateContent, HarContentPolicy.class);
-    }
-    if (contentPolicy == null) {
-      contentPolicy = HarContentPolicy.ATTACH;
-    }
-
+  void recordIntoHar(PageImpl page, Path har, RouteFromHAROptions options) {
    JsonObject params = new JsonObject();
    if (page != null) {
      params.add("page", page.toProtocolRef());
    }
-    JsonObject recordHarArgs = new JsonObject();
-    recordHarArgs.addProperty("zip", har.toString().endsWith(".zip"));
-    recordHarArgs.addProperty("content", contentPolicy.name().toLowerCase());
-    recordHarArgs.addProperty("mode", (options.updateMode == null ? HarMode.MINIMAL : options.updateMode).name().toLowerCase());
-    addHarUrlFilter(recordHarArgs, options.url);
-
-    params.add("options", recordHarArgs);
-    JsonObject json = sendMessage("harStart", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject jsonOptions = new JsonObject();
+    jsonOptions.addProperty("path", har.toAbsolutePath().toString());
+    jsonOptions.addProperty("content", options.updateContent == null ?
+      HarContentPolicy.ATTACH.name().toLowerCase() :
+      options.updateContent.name().toLowerCase());
+    jsonOptions.addProperty("mode", options.updateMode == null ?
+      HarMode.MINIMAL.name().toLowerCase() :
+      options.updateMode.name().toLowerCase());
+    addHarUrlFilter(jsonOptions, options.url);
+    params.add("options", jsonOptions);
+    JsonObject json = sendMessage("harStart", params).getAsJsonObject();
    String harId = json.get("harId").getAsString();
-    harRecorders.put(harId, new HarRecorder(har, contentPolicy));
+    harRecorders.put(harId, new HarRecorder(har, HarContentPolicy.ATTACH));
  }

  @Override
  public void setDefaultNavigationTimeout(double timeout) {
-    timeoutSettings.setDefaultNavigationTimeout(timeout);
+    setDefaultNavigationTimeoutImpl(timeout);
+  }
+
+  void setDefaultNavigationTimeoutImpl(Double timeout) {
+    withLogging("BrowserContext.setDefaultNavigationTimeout", () -> {
+      timeoutSettings.setDefaultNavigationTimeout(timeout);
+      JsonObject params = new JsonObject();
+      params.addProperty("timeout", timeout);
+      sendMessage("setDefaultNavigationTimeoutNoReply", params);
+    });
  }

  @Override
  public void setDefaultTimeout(double timeout) {
-    timeoutSettings.setDefaultTimeout(timeout);
+    setDefaultTimeoutImpl(timeout);
+  }
+
+  void setDefaultTimeoutImpl(Double timeout) {
+    withLogging("BrowserContext.setDefaultTimeout", () -> {
+      timeoutSettings.setDefaultTimeout(timeout);
+      JsonObject params = new JsonObject();
+      params.addProperty("timeout", timeout);
+      sendMessage("setDefaultTimeoutNoReply", params);
+    });
  }

  @Override
  public void setExtraHTTPHeaders(Map<String, String> headers) {
-    JsonObject params = new JsonObject();
-    JsonArray jsonHeaders = new JsonArray();
-    for (Map.Entry<String, String> e : headers.entrySet()) {
-      JsonObject header = new JsonObject();
-      header.addProperty("name", e.getKey());
-      header.addProperty("value", e.getValue());
-      jsonHeaders.add(header);
-    }
-    params.add("headers", jsonHeaders);
-    sendMessage("setExtraHTTPHeaders", params, NO_TIMEOUT);
+    withLogging("BrowserContext.setExtraHTTPHeaders", () -> {
+      JsonObject params = new JsonObject();
+      JsonArray jsonHeaders = new JsonArray();
+      for (Map.Entry<String, String> e : headers.entrySet()) {
+        JsonObject header = new JsonObject();
+        header.addProperty("name", e.getKey());
+        header.addProperty("value", e.getValue());
+        jsonHeaders.add(header);
+      }
+      params.add("headers", jsonHeaders);
+      sendMessage("setExtraHTTPHeaders", params);
+    });
  }

  @Override
  public void setGeolocation(Geolocation geolocation) {
-    JsonObject params = new JsonObject();
-    if (geolocation != null) {
-      params.add("geolocation", gson().toJsonTree(geolocation));
-    }
-    sendMessage("setGeolocation", params, NO_TIMEOUT);
+    withLogging("BrowserContext.setGeolocation", () -> {
+      JsonObject params = new JsonObject();
+      if (geolocation != null) {
+        params.add("geolocation", gson().toJsonTree(geolocation));
+      }
+      sendMessage("setGeolocation", params);
+    });
  }

  @Override
  public void setOffline(boolean offline) {
-    JsonObject params = new JsonObject();
-    params.addProperty("offline", offline);
-    sendMessage("setOffline", params, NO_TIMEOUT);
+    withLogging("BrowserContext.setOffline", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("offline", offline);
+      sendMessage("setOffline", params);
+    });
  }

  @Override
  public String storageState(StorageStateOptions options) {
+    return withLogging("BrowserContext.storageState", () -> storageStateImpl(options));
+  }
+
+  private String storageStateImpl(StorageStateOptions options) {
    if (options == null) {
      options = new StorageStateOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.remove("path");
-    JsonElement json = sendMessage("storageState", params, NO_TIMEOUT);
+    JsonElement json = sendMessage("storageState", params);

    String storageState = json.toString();
    if (options.path != null) {
@@ -591,13 +648,15 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {

  @Override
  public void unrouteAll() {
-    routes.removeAll();
-    updateInterceptionPatterns();
+    withLogging("BrowserContext.unrouteAll", () -> {
+      routes.removeAll();
+      updateInterceptionPatterns();
+    });
  }

  @Override
  public void unroute(String url, Consumer<Route> handler) {
-    unroute(UrlMatcher.forGlob(this.baseUrl(), url, this.connection.localUtils, false), handler);
+    unroute(UrlMatcher.forGlob(this.baseUrl, url, this.connection.localUtils, false), handler);
  }

  @Override
@@ -643,16 +702,18 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
  }

  private void unroute(UrlMatcher matcher, Consumer<Route> handler) {
-    routes.remove(matcher, handler);
-    updateInterceptionPatterns();
+    withLogging("BrowserContext.unroute", () -> {
+      routes.remove(matcher, handler);
+      updateInterceptionPatterns();
+    });
  }

  private void updateInterceptionPatterns() {
-    sendMessage("setNetworkInterceptionPatterns", routes.interceptionPatterns(), NO_TIMEOUT);
+    sendMessage("setNetworkInterceptionPatterns", routes.interceptionPatterns());
  }

  private void updateWebSocketInterceptionPatterns() {
-    sendMessage("setWebSocketInterceptionPatterns", webSocketRoutes.interceptionPatterns(), NO_TIMEOUT);
+    sendMessage("setWebSocketInterceptionPatterns", webSocketRoutes.interceptionPatterns());
  }

  void handleRoute(RouteImpl route) {
@@ -805,10 +866,8 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
  }

  void didClose() {
-    closingOrClosed = true;
    if (browser != null) {
      browser.contexts.remove(this);
-      browser.browserType.playwright.selectors.contextsForSelectors.remove(this);
    }
    listeners.notify(EventType.CLOSE, this);
  }
@@ -817,49 +876,7 @@ class BrowserContextImpl extends ChannelOwner implements BrowserContext {
    JsonObject params = new JsonObject();
    params.addProperty("name", name);
    params.addProperty("lastModifiedMs", lastModifiedMs);
-    JsonObject json = sendMessage("createTempFile", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject json = sendMessage("createTempFile", params).getAsJsonObject();
    return connection.getExistingObject(json.getAsJsonObject("writableStream").get("guid").getAsString());
  }
-
-  protected void initializeHarFromOptions(Browser.NewContextOptions options) {
-    if (options.recordHarPath == null) {
-      if (options.recordHarOmitContent != null) {
-        throw new PlaywrightException("recordHarOmitContent is set but recordHarPath is null");
-      }
-      if (options.recordHarUrlFilter != null) {
-        throw new PlaywrightException("recordHarUrlFilter is set but recordHarPath is null");
-      }
-      if (options.recordHarMode != null) {
-        throw new PlaywrightException("recordHarMode is set but recordHarPath is null");
-      }
-      if (options.recordHarContent != null) {
-        throw new PlaywrightException("recordHarContent is set but recordHarPath is null");
-      }
-      return;
-    }
-
-    HarContentPolicy contentPolicy = options.recordHarContent;
-    if (contentPolicy == null && options.recordHarOmitContent != null && options.recordHarOmitContent == true) {
-      contentPolicy = HarContentPolicy.OMIT;
-    }
-    if (contentPolicy == null) {
-      contentPolicy = options.recordHarPath.endsWith(".zip") ? HarContentPolicy.ATTACH : HarContentPolicy.EMBED;
-    }
-    RouteFromHAROptions routeFromHAROptions = new RouteFromHAROptions();
-
-    if (options.recordHarUrlFilter instanceof String) {
-      routeFromHAROptions.setUrl((String) options.recordHarUrlFilter);
-    } else if (options.recordHarUrlFilter instanceof Pattern) {
-      routeFromHAROptions.setUrl((Pattern) options.recordHarUrlFilter);
-    }
-
-    if (options.recordHarMode != null) {
-      routeFromHAROptions.updateMode = options.recordHarMode;
-    } else {
-      routeFromHAROptions.updateMode = HarMode.FULL;
-    }
-    routeFromHAROptions.url = options.recordHarUrlFilter;
-
-    recordIntoHar(null, options.recordHarPath, routeFromHAROptions, contentPolicy);
-  }
 }
@@ -20,6 +20,7 @@ import com.google.gson.Gson;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.microsoft.playwright.*;
+import com.microsoft.playwright.options.HarContentPolicy;

 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
@@ -28,8 +29,10 @@ import java.nio.file.Path;
 import java.util.*;
 import java.util.function.Consumer;

+import static com.microsoft.playwright.impl.Serialization.addHarUrlFilter;
 import static com.microsoft.playwright.impl.Serialization.gson;
 import static com.microsoft.playwright.impl.Utils.*;
+import static com.microsoft.playwright.impl.Utils.convertType;

 class BrowserImpl extends ChannelOwner implements Browser {
  final Set<BrowserContextImpl> contexts = new HashSet<>();
@@ -66,6 +69,10 @@ class BrowserImpl extends ChannelOwner implements Browser {

  @Override
  public void close(CloseOptions options) {
+    withLogging("Browser.close", () -> closeImpl(options));
+  }
+
+  private void closeImpl(CloseOptions options) {
    if (options == null) {
      options = new CloseOptions();
    }
@@ -110,20 +117,16 @@ class BrowserImpl extends ChannelOwner implements Browser {

  @Override
  public BrowserContextImpl newContext(NewContextOptions options) {
+    return withLogging("Browser.newContext", () -> newContextImpl(options));
+  }
+
+  private BrowserContextImpl newContextImpl(NewContextOptions options) {
    if (options == null) {
      options = new NewContextOptions();
    } else {
      // Make a copy so that we can nullify some fields below.
      options = convertType(options, NewContextOptions.class);
    }
-
-    NewContextOptions harOptions = Utils.clone(options);
-    options.recordHarContent = null;
-    options.recordHarMode = null;
-    options.recordHarPath = null;
-    options.recordHarOmitContent = null;
-    options.recordHarUrlFilter = null;
-
    if (options.storageStatePath != null) {
      try {
        byte[] bytes = Files.readAllBytes(options.storageStatePath);
@@ -138,10 +141,51 @@ class BrowserImpl extends ChannelOwner implements Browser {
      storageState = new Gson().fromJson(options.storageState, JsonObject.class);
      options.storageState = null;
    }
+    JsonObject recordHar = null;
+    Path recordHarPath = options.recordHarPath;
+    HarContentPolicy harContentPolicy = null;
+    if (options.recordHarPath != null) {
+      recordHar = new JsonObject();
+      recordHar.addProperty("path", options.recordHarPath.toString());
+      if (options.recordHarContent != null) {
+        harContentPolicy = options.recordHarContent;
+      } else if (options.recordHarOmitContent != null && options.recordHarOmitContent) {
+        harContentPolicy = HarContentPolicy.OMIT;
+      }
+      if (harContentPolicy != null) {
+        recordHar.addProperty("content", harContentPolicy.name().toLowerCase());
+      }
+      if (options.recordHarMode != null) {
+        recordHar.addProperty("mode", options.recordHarMode.name().toLowerCase());
+      }
+      addHarUrlFilter(recordHar, options.recordHarUrlFilter);
+      options.recordHarPath = null;
+      options.recordHarMode = null;
+      options.recordHarOmitContent = null;
+      options.recordHarContent = null;
+      options.recordHarUrlFilter = null;
+    } else {
+      if (options.recordHarOmitContent != null) {
+        throw new PlaywrightException("recordHarOmitContent is set but recordHarPath is null");
+      }
+      if (options.recordHarUrlFilter != null) {
+        throw new PlaywrightException("recordHarUrlFilter is set but recordHarPath is null");
+      }
+      if (options.recordHarMode != null) {
+        throw new PlaywrightException("recordHarMode is set but recordHarPath is null");
+      }
+      if (options.recordHarContent != null) {
+        throw new PlaywrightException("recordHarContent is set but recordHarPath is null");
+      }
+    }
+
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    if (storageState != null) {
      params.add("storageState", storageState);
    }
+    if (recordHar != null) {
+      params.add("recordHar", recordHar);
+    }
    if (options.recordVideoDir != null) {
      JsonObject recordVideo = new JsonObject();
      recordVideo.addProperty("dir", options.recordVideoDir.toAbsolutePath().toString());
@@ -169,21 +213,31 @@ class BrowserImpl extends ChannelOwner implements Browser {
    if (options.acceptDownloads != null) {
      params.addProperty("acceptDownloads", options.acceptDownloads ? "accept" : "deny");
    }
-    params.add("selectorEngines", gson().toJsonTree(browserType.playwright.selectors.selectorEngines));
-    params.addProperty("testIdAttributeName", browserType.playwright.selectors.testIdAttributeName);
-    JsonElement result = sendMessage("newContext", params, NO_TIMEOUT);
+    JsonElement result = sendMessage("newContext", params);
    BrowserContextImpl context = connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("context").get("guid").getAsString());
-    context.initializeHarFromOptions(harOptions);
+    context.videosDir = options.recordVideoDir;
+    if (options.baseURL != null) {
+      context.setBaseUrl(options.baseURL);
+    }
+    context.setRecordHar(recordHarPath, harContentPolicy);
+    if (launchOptions != null) {
+      context.tracing().setTracesDir(launchOptions.tracesDir);
+    }
+    contexts.add(context);
    return context;
  }

  @Override
  public Page newPage(NewPageOptions options) {
-    return withTitle("Create Page", () -> newPageImpl(options));
+    return withLogging("Browser.newPage", () -> newPageImpl(options));
  }

  @Override
  public void startTracing(Page page, StartTracingOptions options) {
+    withLogging("Browser.startTracing", () -> startTracingImpl(page, options));
+  }
+
+  private void startTracingImpl(Page page, StartTracingOptions options) {
    if (options == null) {
      options = new StartTracingOptions();
    }
@@ -192,11 +246,15 @@ class BrowserImpl extends ChannelOwner implements Browser {
    if (page != null) {
      params.add("page", ((PageImpl) page).toProtocolRef());
    }
-    sendMessage("startTracing", params, NO_TIMEOUT);
+    sendMessage("startTracing", params);
  }

  @Override
  public byte[] stopTracing() {
+    return withLogging("Browser.stopTracing", () -> stopTracingImpl());
+  }
+
+  private byte[] stopTracingImpl() {
    JsonObject json = sendMessage("stopTracing").getAsJsonObject();
    ArtifactImpl artifact = connection.getExistingObject(json.getAsJsonObject().getAsJsonObject("artifact").get("guid").getAsString());
    byte[] data = artifact.readAllBytes();
@@ -237,46 +295,18 @@ class BrowserImpl extends ChannelOwner implements Browser {

  @Override
  void handleEvent(String event, JsonObject parameters) {
-    switch (event) {
-      case "context":
-        didCreateContext(connection.getExistingObject(parameters.getAsJsonObject("context").get("guid").getAsString()));
-        break;
-      case "close":
-        didClose();
-        break;
+    if ("close".equals(event)) {
+      didClose();
    }
  }

  @Override
  public CDPSession newBrowserCDPSession() {
    JsonObject params = new JsonObject();
-    JsonObject result = sendMessage("newBrowserCDPSession", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject result = sendMessage("newBrowserCDPSession", params).getAsJsonObject();
    return connection.getExistingObject(result.getAsJsonObject("session").get("guid").getAsString());
  }

-  protected void connectToBrowserType(BrowserTypeImpl browserType, Path tracesDir){
-    // Note: when using connect(), `browserType` is different from `this.parent`.
-    // This is why browser type is not wired up in the constructor, and instead this separate method is called later on.
-    this.browserType = browserType;
-    this.tracePath = tracesDir;
-
-    for (BrowserContextImpl context : contexts) {
-      context.tracing().setTracesDir(tracesDir);
-      browserType.playwright.selectors.contextsForSelectors.add(context);
-    }
-  }
-
-  private void didCreateContext(BrowserContextImpl context) {
-    context.browser = this;
-    contexts.add(context);
-    // Note: when connecting to a browser, initial contexts arrive before `_browserType` is set,
-    // and will be configured later in `ConnectToBrowserType`.
-    if (browserType != null) {
-      context.tracing().setTracesDir(tracePath);
-      browserType.playwright.selectors.contextsForSelectors.add(context);
-    }
-  }
-
  private void didClose() {
    isConnected = false;
    listeners.notify(EventType.DISCONNECTED, this);
@@ -22,30 +22,34 @@ import com.google.gson.JsonObject;
 import com.microsoft.playwright.Browser;
 import com.microsoft.playwright.BrowserType;
 import com.microsoft.playwright.PlaywrightException;
+import com.microsoft.playwright.options.HarContentPolicy;

 import java.io.IOException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.function.Consumer;

+import static com.microsoft.playwright.impl.Serialization.addHarUrlFilter;
 import static com.microsoft.playwright.impl.Serialization.gson;
 import static com.microsoft.playwright.impl.Utils.addToProtocol;
 import static com.microsoft.playwright.impl.Utils.convertType;

 class BrowserTypeImpl extends ChannelOwner implements BrowserType {
-  protected PlaywrightImpl playwright;
-
  BrowserTypeImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
  }

  @Override
  public BrowserImpl launch(LaunchOptions options) {
+    return withLogging("BrowserType.launch", () -> launchImpl(options));
+  }
+
+  private BrowserImpl launchImpl(LaunchOptions options) {
    if (options == null) {
      options = new LaunchOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    JsonElement result = sendMessage("launch", params, TimeoutSettings.launchTimeout(options.timeout));
+    JsonElement result = sendMessage("launch", params);
    BrowserImpl browser = connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("browser").get("guid").getAsString());
    browser.browserType = this;
    browser.launchOptions = options;
@@ -54,6 +58,10 @@ class BrowserTypeImpl extends ChannelOwner implements BrowserType {

  @Override
  public Browser connect(String wsEndpoint, ConnectOptions options) {
+    return withLogging("BrowserType.connect", () -> connectImpl(wsEndpoint, options));
+  }
+
+  private Browser connectImpl(String wsEndpoint, ConnectOptions options) {
    if (options == null) {
      options = new ConnectOptions();
    }
@@ -76,12 +84,7 @@ class BrowserTypeImpl extends ChannelOwner implements BrowserType {
      headers.addProperty("x-playwright-browser", name());
    }

-    Double timeout = options.timeout;
-    if (timeout == null) {
-      timeout = 0.0;
-    }
-
-    JsonObject json = connection.localUtils().sendMessage("connect", params, timeout).getAsJsonObject();
+    JsonObject json = connection.localUtils().sendMessage("connect", params).getAsJsonObject();
    JsonPipe pipe = connection.getExistingObject(json.getAsJsonObject("pipe").get("guid").getAsString());
    Connection connection = new Connection(pipe, this.connection.env, this.connection.localUtils);
    PlaywrightImpl playwright = connection.initializePlaywright();
@@ -93,13 +96,14 @@ class BrowserTypeImpl extends ChannelOwner implements BrowserType {
      }
      throw new PlaywrightException("Malformed endpoint. Did you use launchServer method?");
    }
-    playwright.selectors = this.playwright.selectors;
+    playwright.initSharedSelectors(this.connection.getExistingObject("Playwright"));
    BrowserImpl browser = connection.getExistingObject(playwright.initializer.getAsJsonObject("preLaunchedBrowser").get("guid").getAsString());
    browser.isConnectedOverWebSocket = true;
-    browser.connectToBrowserType(this, null);
+    browser.browserType = this;
    Consumer<JsonPipe> connectionCloseListener = t -> browser.notifyRemoteClosed();
    pipe.onClose(connectionCloseListener);
    browser.onDisconnected(b -> {
+      playwright.unregisterSelectors();
      pipe.offClose(connectionCloseListener);
      try {
        connection.close();
@@ -115,16 +119,25 @@ class BrowserTypeImpl extends ChannelOwner implements BrowserType {
    if (!"chromium".equals(name())) {
      throw new PlaywrightException("Connecting over CDP is only supported in Chromium.");
    }
+    return withLogging("BrowserType.connectOverCDP", () -> connectOverCDPImpl(endpointURL, options));
+  }
+
+  private Browser connectOverCDPImpl(String endpointURL, ConnectOverCDPOptions options) {
    if (options == null) {
      options = new ConnectOverCDPOptions();
    }

    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("endpointURL", endpointURL);
-    JsonObject json = sendMessage("connectOverCDP", params, TimeoutSettings.launchTimeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("connectOverCDP", params).getAsJsonObject();

    BrowserImpl browser = connection.getExistingObject(json.getAsJsonObject("browser").get("guid").getAsString());
-    browser.connectToBrowserType(this, null);
+    browser.browserType = this;
+    if (json.has("defaultContext")) {
+      String contextId = json.getAsJsonObject("defaultContext").get("guid").getAsString();
+      BrowserContextImpl defaultContext = connection.getExistingObject(contextId);
+      browser.contexts.add(defaultContext);
+    }
    return browser;
  }

@@ -134,19 +147,54 @@ class BrowserTypeImpl extends ChannelOwner implements BrowserType {

  @Override
  public BrowserContextImpl launchPersistentContext(Path userDataDir, LaunchPersistentContextOptions options) {
+    return withLogging("BrowserType.launchPersistentContext",
+      () -> launchPersistentContextImpl(userDataDir, options));
+  }
+
+  private BrowserContextImpl launchPersistentContextImpl(Path userDataDir, LaunchPersistentContextOptions options) {
    if (options == null) {
      options = new LaunchPersistentContextOptions();
    } else {
      // Make a copy so that we can nullify some fields below.
      options = convertType(options, LaunchPersistentContextOptions.class);
    }
-
-    Browser.NewContextOptions harOptions = convertType(options, Browser.NewContextOptions.class);
-    options.recordHarContent = null;
-    options.recordHarMode = null;
-    options.recordHarPath = null;
-    options.recordHarOmitContent = null;
-    options.recordHarUrlFilter = null;
+    JsonObject recordHar = null;
+    Path recordHarPath = options.recordHarPath;
+    HarContentPolicy harContentPolicy = null;
+    if (options.recordHarPath != null) {
+      recordHar = new JsonObject();
+      recordHar.addProperty("path", options.recordHarPath.toString());
+      if (options.recordHarContent != null) {
+        harContentPolicy = options.recordHarContent;
+      } else if (options.recordHarOmitContent != null && options.recordHarOmitContent) {
+        harContentPolicy = HarContentPolicy.OMIT;
+      }
+      if (harContentPolicy != null) {
+        recordHar.addProperty("content", harContentPolicy.name().toLowerCase());
+      }
+      if (options.recordHarMode != null) {
+        recordHar.addProperty("mode", options.recordHarMode.toString().toLowerCase());
+      }
+      addHarUrlFilter(recordHar, options.recordHarUrlFilter);
+      options.recordHarPath = null;
+      options.recordHarMode = null;
+      options.recordHarOmitContent = null;
+      options.recordHarContent = null;
+      options.recordHarUrlFilter = null;
+    } else {
+      if (options.recordHarOmitContent != null) {
+        throw new PlaywrightException("recordHarOmitContent is set but recordHarPath is null");
+      }
+      if (options.recordHarUrlFilter != null) {
+        throw new PlaywrightException("recordHarUrlFilter is set but recordHarPath is null");
+      }
+      if (options.recordHarMode != null) {
+        throw new PlaywrightException("recordHarMode is set but recordHarPath is null");
+      }
+      if (options.recordHarContent != null) {
+        throw new PlaywrightException("recordHarContent is set but recordHarPath is null");
+      }
+    }

    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    if (!userDataDir.isAbsolute() && !userDataDir.toString().isEmpty()) {
@@ -154,6 +202,9 @@ class BrowserTypeImpl extends ChannelOwner implements BrowserType {
      userDataDir = cwd.resolve(userDataDir);
    }
    params.addProperty("userDataDir", userDataDir.toString());
+    if (recordHar != null) {
+      params.add("recordHar", recordHar);
+    }
    if (options.recordVideoDir != null) {
      JsonObject recordVideo = new JsonObject();
      recordVideo.addProperty("dir", options.recordVideoDir.toAbsolutePath().toString());
@@ -181,13 +232,13 @@ class BrowserTypeImpl extends ChannelOwner implements BrowserType {
    if (options.acceptDownloads != null) {
      params.addProperty("acceptDownloads", options.acceptDownloads ? "accept" : "deny");
    }
-    params.add("selectorEngines", gson().toJsonTree(playwright.selectors.selectorEngines));
-    params.addProperty("testIdAttributeName", playwright.selectors.testIdAttributeName);
-    JsonObject json = sendMessage("launchPersistentContext", params, TimeoutSettings.launchTimeout(options.timeout)).getAsJsonObject();
-    BrowserImpl browser = connection.getExistingObject(json.getAsJsonObject("browser").get("guid").getAsString());
-    browser.connectToBrowserType(this, options.tracesDir);
+    JsonObject json = sendMessage("launchPersistentContext", params).getAsJsonObject();
    BrowserContextImpl context = connection.getExistingObject(json.getAsJsonObject("context").get("guid").getAsString());
-    context.initializeHarFromOptions(harOptions);
+    context.videosDir = options.recordVideoDir;
+    if (options.baseURL != null) {
+      context.setBaseUrl(options.baseURL);
+    }
+    context.setRecordHar(recordHarPath, harContentPolicy);
    context.tracing().setTracesDir(options.tracesDir);
    return context;
  }
@@ -35,8 +35,7 @@ class ChannelOwner extends LoggingSupport {
  final String guid;
  final JsonObject initializer;
  private boolean wasCollected;
-
-  static Double NO_TIMEOUT = null;
+  private boolean isInternalType;

  protected ChannelOwner(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    this(parent.connection, parent, type, guid, initializer);
@@ -60,6 +59,10 @@ class ChannelOwner extends LoggingSupport {
    }
  }

+  void markAsInternalType() {
+    isInternalType = true;
+  }
+
  void disposeChannelOwner(boolean wasGarbageCollected) {
    // Clean up from parent and connection.
    if (parent != null) {
@@ -84,20 +87,16 @@ class ChannelOwner extends LoggingSupport {
    return new WaitForEventLogger<>(this, apiName, code).get();
  }

-
-  void withTitle(String title, Runnable code) {
-    withTitle(title, () -> {
-      code.run();
-      return null;
-    });
-  }
-
-  <T> T withTitle(String title, Supplier<T> code) {
-    String previousTitle = connection.setTitle(title);
+  @Override
+  <T> T withLogging(String apiName, Supplier<T> code) {
+    if (isInternalType) {
+      apiName = null;
+    }
+    String previousApiName = connection.setApiName(apiName);
    try {
-      return code.get();
+      return super.withLogging(apiName, code);
    } finally {
-      connection.setTitle(previousTitle);
+      connection.setApiName(previousApiName);
    }
  }

@@ -111,16 +110,11 @@ class ChannelOwner extends LoggingSupport {
  }

  JsonElement sendMessage(String method) {
-    return sendMessage(method, new JsonObject(), NO_TIMEOUT);
+    return sendMessage(method, new JsonObject());
  }

-  JsonElement sendMessage(String method, JsonObject params, Double timeout) {
+  JsonElement sendMessage(String method, JsonObject params) {
    checkNotCollected();
-    if (timeout != null) {
-      params.addProperty("timeout", timeout);
-    } else if (params.has("timeout")) {
-      throw new PlaywrightException("Internal error: timeout must be passed explicitly.");
-    }
    return connection.sendMessage(guid, method, params);
  }

@@ -5,8 +5,6 @@ import com.microsoft.playwright.Clock;

 import java.util.Date;

-import static com.microsoft.playwright.impl.ChannelOwner.NO_TIMEOUT;
-
 class ClockImpl implements Clock {
  private final ChannelOwner browserContext;

@@ -16,7 +14,8 @@ class ClockImpl implements Clock {

  private void sendMessageWithLogging(String method, JsonObject params) {
    String capitalizedMethod = method.substring(0, 1).toUpperCase() + method.substring(1);
-    browserContext.sendMessage("clock" + capitalizedMethod, params, NO_TIMEOUT);
+    browserContext.withLogging("Clock." + method,
+        () -> browserContext.sendMessage("clock" + capitalizedMethod, params));
  }

  @Override
@@ -19,6 +19,7 @@ import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
+import com.microsoft.playwright.Playwright;
 import com.microsoft.playwright.PlaywrightException;
 import com.microsoft.playwright.TimeoutError;

@@ -63,8 +64,7 @@ public class Connection {
  private int lastId = 0;
  private final StackTraceCollector stackTraceCollector;
  private final Map<Integer, WaitableResult<JsonElement>> callbacks = new HashMap<>();
-  private String title;
-  private boolean titleReported = false;
+  private String apiName;
  private static final boolean isLogging;
  static {
    String debug = System.getenv("DEBUG");
@@ -83,7 +83,7 @@ public class Connection {
    PlaywrightImpl initialize() {
      JsonObject params = new JsonObject();
      params.addProperty("sdkLanguage", "java");
-      JsonElement result = sendMessage("initialize", params.getAsJsonObject(), NO_TIMEOUT);
+      JsonElement result = sendMessage("initialize", params.getAsJsonObject());
      return this.connection.getExistingObject(result.getAsJsonObject().getAsJsonObject("playwright").get("guid").getAsString());
    }
  }
@@ -116,10 +116,9 @@ public class Connection {
    }
  }

-  String setTitle(String newTitle) {
-    String previous = title;
-    titleReported = false;
-    title = newTitle;
+  String setApiName(String name) {
+    String previous = apiName;
+    apiName = name;
    return previous;
  }

@@ -147,14 +146,12 @@ public class Connection {
    JsonObject metadata = new JsonObject();
    metadata.addProperty("wallTime", currentTimeMillis());
    JsonArray stack = null;
-    if (titleReported) {
+    if (apiName == null) {
      metadata.addProperty("internal", true);
    } else {
-      if (title != null) {
-        metadata.addProperty("title", title);
-        // All but first message in a custom-titled API call are considered internal and will be hidden from the inspector.
-        titleReported = true;
-      }
+      metadata.addProperty("apiName", apiName);
+      // All but first message in an API call are considered internal and will be hidden from the inspector.
+      apiName = null;
      if (stackTraceCollector != null) {
        stack = stackTraceCollector.currentStackTrace();
        if (!stack.isEmpty()) {
@@ -376,6 +373,9 @@ public class Connection {
      case "Stream":
        result = new Stream(parent, type, guid, initializer);
        break;
+      case "Selectors":
+        result = new SelectorsImpl(parent, type, guid, initializer);
+        break;
      case "SocksSupport":
        break;
      case "Tracing":
@@ -20,10 +20,13 @@ import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.microsoft.playwright.ConsoleMessage;
 import com.microsoft.playwright.JSHandle;
+import com.microsoft.playwright.Page;

 import java.util.ArrayList;
 import java.util.List;

+import static com.microsoft.playwright.impl.Serialization.gson;
+
 public class ConsoleMessageImpl implements ConsoleMessage {
  private final Connection connection;
  private PageImpl page;
@@ -34,16 +34,18 @@ class DialogImpl extends ChannelOwner implements Dialog {

  @Override
  public void accept(String promptText) {
-    JsonObject params = new JsonObject();
-    if (promptText != null) {
-      params.addProperty("promptText", promptText);
-    }
-    sendMessage("accept", params, NO_TIMEOUT);
+    withLogging("Dialog.accept", () -> {
+      JsonObject params = new JsonObject();
+      if (promptText != null) {
+        params.addProperty("promptText", promptText);
+      }
+      sendMessage("accept", params);
+    });
  }

  @Override
  public void dismiss() {
-    sendMessage("dismiss");
+    withLogging("Dialog.dismiss", () -> sendMessage("dismiss"));
  }

  @Override
@@ -46,22 +46,22 @@ class DownloadImpl implements Download {

  @Override
  public void cancel() {
-    artifact.cancel();
+    page.withLogging("Download.cancel", () -> artifact.cancel());
  }

  @Override
  public InputStream createReadStream() {
-    return artifact.createReadStream();
+    return page.withLogging("Download.createReadStream", () -> artifact.createReadStream());
  }

  @Override
  public void delete() {
-    artifact.delete();
+    page.withLogging("Download.delete", () -> artifact.delete());
  }

  @Override
  public String failure() {
-    return artifact.failure();
+    return page.withLogging("Download.failure", () -> artifact.failure());
  }

  @Override
@@ -71,11 +71,11 @@ class DownloadImpl implements Download {

  @Override
  public Path path() {
-    return artifact.pathAfterFinished();
+    return page.withLogging("Download.path", () -> artifact.pathAfterFinished());
  }

  @Override
  public void saveAs(Path path) {
-    artifact.saveAs(path);
+    page.withLogging("Download.saveAs", () -> artifact.saveAs(path));
  }
 }
@@ -40,11 +40,8 @@ import static com.microsoft.playwright.options.ScreenshotType.JPEG;
 import static com.microsoft.playwright.options.ScreenshotType.PNG;

 public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {
-  private final FrameImpl frame;
-
  ElementHandleImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
-    this.frame = (FrameImpl)parent;
  }

  @Override
@@ -54,83 +51,105 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {

  @Override
  public ElementHandle querySelector(String selector) {
-    JsonObject params = new JsonObject();
-    params.addProperty("selector", selector);
-    JsonElement json = sendMessage("querySelector", params, NO_TIMEOUT);
-    JsonObject element = json.getAsJsonObject().getAsJsonObject("element");
-    if (element == null) {
-      return null;
-    }
-    return connection.getExistingObject(element.get("guid").getAsString());
+    return withLogging("ElementHandle.querySelector", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("selector", selector);
+      JsonElement json = sendMessage("querySelector", params);
+      JsonObject element = json.getAsJsonObject().getAsJsonObject("element");
+      if (element == null) {
+        return null;
+      }
+      return connection.getExistingObject(element.get("guid").getAsString());
+    });
  }

  @Override
  public List<ElementHandle> querySelectorAll(String selector) {
-    JsonObject params = new JsonObject();
-    params.addProperty("selector", selector);
-    JsonElement json = sendMessage("querySelectorAll", params, NO_TIMEOUT);
-    JsonArray elements = json.getAsJsonObject().getAsJsonArray("elements");
-    if (elements == null) {
-      return null;
-    }
-    List<ElementHandle> handles = new ArrayList<>();
-    for (JsonElement item : elements) {
-      handles.add(connection.getExistingObject(item.getAsJsonObject().get("guid").getAsString()));
-    }
-    return handles;
+    return withLogging("ElementHandle.<", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("selector", selector);
+      JsonElement json = sendMessage("querySelectorAll", params);
+      JsonArray elements = json.getAsJsonObject().getAsJsonArray("elements");
+      if (elements == null) {
+        return null;
+      }
+      List<ElementHandle> handles = new ArrayList<>();
+      for (JsonElement item : elements) {
+        handles.add(connection.getExistingObject(item.getAsJsonObject().get("guid").getAsString()));
+      }
+      return handles;
+    });
  }

  @Override
  public Object evalOnSelector(String selector, String pageFunction, Object arg) {
-    JsonObject params = new JsonObject();
-    params.addProperty("selector", selector);
-    params.addProperty("expression", pageFunction);
-    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evalOnSelector", params, NO_TIMEOUT);
-    SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
-    return deserialize(value);
+    return withLogging("ElementHandle.evalOnSelector", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("selector", selector);
+      params.addProperty("expression", pageFunction);
+      params.add("arg", gson().toJsonTree(serializeArgument(arg)));
+      JsonElement json = sendMessage("evalOnSelector", params);
+      SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
+      return deserialize(value);
+    });
  }

  @Override
  public Object evalOnSelectorAll(String selector, String pageFunction, Object arg) {
-    JsonObject params = new JsonObject();
-    params.addProperty("selector", selector);
-    params.addProperty("expression", pageFunction);
-    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evalOnSelectorAll", params, NO_TIMEOUT);
-    SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
-    return deserialize(value);
+    return withLogging("ElementHandle.evalOnSelectorAll", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("selector", selector);
+      params.addProperty("expression", pageFunction);
+      params.add("arg", gson().toJsonTree(serializeArgument(arg)));
+      JsonElement json = sendMessage("evalOnSelectorAll", params);
+      SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
+      return deserialize(value);
+    });
  }

  @Override
  public BoundingBox boundingBox() {
-    JsonObject json = sendMessage("boundingBox").getAsJsonObject();
-    if (!json.has("value")) {
-      return null;
-    }
-    return gson().fromJson(json.get("value"), BoundingBox.class);
+    return withLogging("ElementHandle.boundingBox", () -> {
+      JsonObject json = sendMessage("boundingBox").getAsJsonObject();
+      if (!json.has("value")) {
+        return null;
+      }
+      return gson().fromJson(json.get("value"), BoundingBox.class);
+    });
  }

  @Override
  public void check(CheckOptions options) {
+    withLogging("ElementHandle.check", () -> checkImpl(options));
+  }
+
+  private void checkImpl(CheckOptions options) {
    if (options == null) {
      options = new CheckOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("check", params, frame.timeout(options.timeout));
+    sendMessage("check", params);
  }

  @Override
  public void click(ClickOptions options) {
+    withLogging("ElementHandle.click", () -> clickImpl(options));
+  }
+
+  private void clickImpl(ClickOptions options) {
    if (options == null) {
      options = new ClickOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("click", params, frame.timeout(options.timeout));
+    sendMessage("click", params);
  }

  @Override
  public Frame contentFrame() {
+    return withLogging("ElementHandle.contentFrame", () -> contentFrameImpl());
+  }
+
+  private Frame contentFrameImpl() {
    JsonObject json = sendMessage("contentFrame").getAsJsonObject();
    if (!json.has("frame")) {
      return null;
@@ -140,132 +159,177 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {

  @Override
  public void dblclick(DblclickOptions options) {
+    withLogging("ElementHandle.dblclick", () -> dblclickImpl(options));
+  }
+
+  private void dblclickImpl(DblclickOptions options) {
    if (options == null) {
      options = new DblclickOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("dblclick", params, frame.timeout(options.timeout));
+    sendMessage("dblclick", params);
  }

  @Override
  public void dispatchEvent(String type, Object eventInit) {
-    JsonObject params = new JsonObject();
-    params.addProperty("type", type);
-    params.add("eventInit", gson().toJsonTree(serializeArgument(eventInit)));
-    sendMessage("dispatchEvent", params, NO_TIMEOUT);
+    withLogging("ElementHandle.dispatchEvent", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("type", type);
+      params.add("eventInit", gson().toJsonTree(serializeArgument(eventInit)));
+      sendMessage("dispatchEvent", params);
+    });
  }

  @Override
  public void fill(String value, FillOptions options) {
+    withLogging("ElementHandle.fill", () -> fillImpl(value, options));
+  }
+
+  private void fillImpl(String value, FillOptions options) {
    if (options == null) {
      options = new FillOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("value", value);
-    sendMessage("fill", params, frame.timeout(options.timeout));
+    sendMessage("fill", params);
  }

  @Override
  public void focus() {
-    sendMessage("focus");
+    withLogging("ElementHandle.focus", () -> sendMessage("focus"));
  }

  @Override
  public String getAttribute(String name) {
-    JsonObject params = new JsonObject();
-    params.addProperty("name", name);
-    JsonObject json = sendMessage("getAttribute", params, NO_TIMEOUT).getAsJsonObject();
-    return json.has("value") ? json.get("value").getAsString() : null;
+    return withLogging("ElementHandle.getAttribute", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("name", name);
+      JsonObject json = sendMessage("getAttribute", params).getAsJsonObject();
+      return json.has("value") ? json.get("value").getAsString() : null;
+    });
  }

  @Override
  public void hover(HoverOptions options) {
+    withLogging("ElementHandle.hover", () -> hoverImpl(options));
+  }
+
+  private void hoverImpl(HoverOptions options) {
    if (options == null) {
      options = new HoverOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("hover", params, frame.timeout(options.timeout));
+    sendMessage("hover", params);
  }

  @Override
  public String innerHTML() {
-    JsonObject json = sendMessage("innerHTML").getAsJsonObject();
-    return json.get("value").getAsString();
+    return withLogging("ElementHandle.innerHTML", () -> {
+      JsonObject json = sendMessage("innerHTML").getAsJsonObject();
+      return json.get("value").getAsString();
+    });
  }

  @Override
  public String innerText() {
-    JsonObject json = sendMessage("innerText").getAsJsonObject();
-    return json.get("value").getAsString();
+    return withLogging("ElementHandle.innerText", () -> {
+      JsonObject json = sendMessage("innerText").getAsJsonObject();
+      return json.get("value").getAsString();
+    });
  }

  @Override
  public String inputValue(InputValueOptions options) {
+    return withLogging("ElementHandle.inputValue", () -> inputValueImpl(options));
+  }
+
+  private String inputValueImpl(InputValueOptions options) {
    if (options == null) {
      options = new InputValueOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    JsonObject json = sendMessage("inputValue", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject json = sendMessage("inputValue", params).getAsJsonObject();
    return json.get("value").getAsString();
  }

  @Override
  public boolean isChecked() {
-    JsonObject json = sendMessage("isChecked").getAsJsonObject();
-    return json.get("value").getAsBoolean();
+    return withLogging("ElementHandle.isChecked", () -> {
+      JsonObject json = sendMessage("isChecked").getAsJsonObject();
+      return json.get("value").getAsBoolean();
+    });
  }

  @Override
  public boolean isDisabled() {
-    JsonObject json = sendMessage("isDisabled").getAsJsonObject();
-    return json.get("value").getAsBoolean();
+    return withLogging("ElementHandle.isDisabled", () -> {
+      JsonObject json = sendMessage("isDisabled").getAsJsonObject();
+      return json.get("value").getAsBoolean();
+    });
  }

  @Override
  public boolean isEditable() {
-    JsonObject json = sendMessage("isEditable").getAsJsonObject();
-    return json.get("value").getAsBoolean();
+    return withLogging("ElementHandle.isEditable", () -> {
+      JsonObject json = sendMessage("isEditable").getAsJsonObject();
+      return json.get("value").getAsBoolean();
+    });
  }

  @Override
  public boolean isEnabled() {
-    JsonObject json = sendMessage("isEnabled").getAsJsonObject();
-    return json.get("value").getAsBoolean();
+    return withLogging("ElementHandle.isEnabled", () -> {
+      JsonObject json = sendMessage("isEnabled").getAsJsonObject();
+      return json.get("value").getAsBoolean();
+    });
  }

  @Override
  public boolean isHidden() {
-    JsonObject json = sendMessage("isHidden").getAsJsonObject();
-    return json.get("value").getAsBoolean();
+    return withLogging("ElementHandle.isHidden", () -> {
+      JsonObject json = sendMessage("isHidden").getAsJsonObject();
+      return json.get("value").getAsBoolean();
+    });
  }

  @Override
  public boolean isVisible() {
-    JsonObject json = sendMessage("isVisible").getAsJsonObject();
-    return json.get("value").getAsBoolean();
+    return withLogging("ElementHandle.isVisible", () -> {
+      JsonObject json = sendMessage("isVisible").getAsJsonObject();
+      return json.get("value").getAsBoolean();
+    });
  }

  @Override
  public FrameImpl ownerFrame() {
-    JsonObject json = sendMessage("ownerFrame").getAsJsonObject();
-    if (!json.has("frame")) {
-      return null;
-    }
-    return connection.getExistingObject(json.getAsJsonObject("frame").get("guid").getAsString());
+    return withLogging("ElementHandle.ownerFrame", () -> {
+      JsonObject json = sendMessage("ownerFrame").getAsJsonObject();
+      if (!json.has("frame")) {
+        return null;
+      }
+      return connection.getExistingObject(json.getAsJsonObject("frame").get("guid").getAsString());
+    });
  }

  @Override
  public void press(String key, PressOptions options) {
+    withLogging("ElementHandle.press", () -> pressImpl(key, options));
+  }
+  private void pressImpl(String key, PressOptions options) {
    if (options == null) {
      options = new PressOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("key", key);
-    sendMessage("press", params, frame.timeout(options.timeout));
+    sendMessage("press", params);
  }

  @Override
  public byte[] screenshot(ScreenshotOptions options) {
+    return withLogging("ElementHandle.screenshot", () -> screenshotImpl(options));
+  }
+
+  private byte[] screenshotImpl(ScreenshotOptions options) {
    if (options == null) {
      options = new ScreenshotOptions();
    }
@@ -284,7 +348,7 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.remove("path");
-    JsonObject json = sendMessage("screenshot", params, frame.timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("screenshot", params).getAsJsonObject();

    byte[] buffer = Base64.getDecoder().decode(json.get("binary").getAsString());
    if (options.path != null) {
@@ -295,11 +359,7 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {

  @Override
  public void scrollIntoViewIfNeeded(ScrollIntoViewIfNeededOptions options) {
-    if (options == null) {
-      options = new ScrollIntoViewIfNeededOptions();
-    }
-    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("scrollIntoViewIfNeeded", params, frame.timeout(options.timeout));
+    withLogging("ElementHandle.scrollIntoViewIfNeeded", () -> scrollIntoViewIfNeededImpl(options));
  }

  @Override
@@ -323,7 +383,7 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {
    if (values != null) {
      params.add("options", toSelectValueOrLabel(values));
    }
-    return selectOption(params, options.timeout);
+    return selectOption(params);
  }

  @Override
@@ -332,6 +392,13 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {
    return selectOption(values, options);
  }

+  private void scrollIntoViewIfNeededImpl(ScrollIntoViewIfNeededOptions options) {
+    if (options == null) {
+      options = new ScrollIntoViewIfNeededOptions();
+    }
+    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
+    sendMessage("scrollIntoViewIfNeeded", params);
+  }

  @Override
  public List<String> selectOption(SelectOption[] values, SelectOptionOptions options) {
@@ -342,7 +409,7 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {
    if (values != null) {
      params.add("options", gson().toJsonTree(values));
    }
-    return selectOption(params, options.timeout);
+    return selectOption(params);
  }

  @Override
@@ -354,21 +421,19 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {
    if (values != null) {
      params.add("elements", Serialization.toProtocol(values));
    }
-    return selectOption(params, options.timeout);
+    return selectOption(params);
  }

-  private List<String> selectOption(JsonObject params, Double timeout) {
-    JsonObject json = sendMessage("selectOption", params, frame.timeout(timeout)).getAsJsonObject();
-    return parseStringList(json.getAsJsonArray("values"));
+  private List<String> selectOption(JsonObject params) {
+    return withLogging("SelectOption", () -> {
+      JsonObject json = sendMessage("selectOption", params).getAsJsonObject();
+      return parseStringList(json.getAsJsonArray("values"));
+    });
  }

  @Override
  public void selectText(SelectTextOptions options) {
-    if (options == null) {
-      options = new SelectTextOptions();
-    }
-    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("selectText", params, frame.timeout(options.timeout));
+    withLogging("ElementHandle.selectText", () -> selectTextImpl(options));
  }

  @Override
@@ -385,9 +450,20 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {
    setInputFiles(new Path[]{files}, options);
  }

+  private void selectTextImpl(SelectTextOptions options) {
+    if (options == null) {
+      options = new SelectTextOptions();
+    }
+    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
+    sendMessage("selectText", params);
+  }

  @Override
  public void setInputFiles(Path[] files, SetInputFilesOptions options) {
+    withLogging("ElementHandle.setInputFiles", () -> setInputFilesImpl(files, options));
+  }
+
+  void setInputFilesImpl(Path[] files, SetInputFilesOptions options) {
    FrameImpl frame = ownerFrame();
    if (frame == null) {
      throw new Error("Cannot set input files to detached element");
@@ -397,7 +473,7 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    addFilePathUploadParams(files, params, frame.page().context());
-    sendMessage("setInputFiles", params, frame.timeout(options.timeout));
+    sendMessage("setInputFiles", params);
  }

  @Override
@@ -407,51 +483,77 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {

  @Override
  public void setInputFiles(FilePayload[] files, SetInputFilesOptions options) {
+    withLogging("ElementHandle.setInputFiles", () -> setInputFilesImpl(files, options));
+  }
+
+  void setInputFilesImpl(FilePayload[] files, SetInputFilesOptions options) {
    checkFilePayloadSize(files);
    if (options == null) {
      options = new SetInputFilesOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.add("payloads", Serialization.toJsonArray(files));
-    sendMessage("setInputFiles", params, frame.timeout(options.timeout));
+    sendMessage("setInputFiles", params);
  }

  @Override
  public void tap(TapOptions options) {
+    withLogging("ElementHandle.tap", () -> tapImpl(options));
+  }
+
+  private void tapImpl(TapOptions options) {
    if (options == null) {
      options = new TapOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("tap", params, frame.timeout(options.timeout));
+    sendMessage("tap", params);
  }

  @Override
  public String textContent() {
-    JsonObject json = sendMessage("textContent").getAsJsonObject();
-    return json.has("value") ? json.get("value").getAsString() : null;
+    return withLogging("ElementHandle.textContent", () -> textContentImpl());
+  }
+
+  private String textContentImpl() {
+    return withLogging("ElementHandle.textContent", () -> {
+      JsonObject json = sendMessage("textContent").getAsJsonObject();
+      return json.has("value") ? json.get("value").getAsString() : null;
+    });
  }

  @Override
  public void type(String text, TypeOptions options) {
+    withLogging("ElementHandle.type", () -> typeImpl(text, options));
+  }
+
+  private void typeImpl(String text, TypeOptions options) {
    if (options == null) {
      options = new TypeOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("text", text);
-    sendMessage("type", params, frame.timeout(options.timeout));
+    sendMessage("type", params);
  }

  @Override
  public void uncheck(UncheckOptions options) {
+    withLogging("ElementHandle.uncheck", () -> uncheckImpl(options));
+  }
+
+  private void uncheckImpl(UncheckOptions options) {
    if (options == null) {
      options = new UncheckOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("uncheck", params, frame.timeout(options.timeout));
+    sendMessage("uncheck", params);
  }

  @Override
  public void waitForElementState(ElementState state, WaitForElementStateOptions options) {
+    withLogging("ElementHandle.waitForElementState", () -> waitForElementStateImpl(state, options));
+  }
+
+  private void waitForElementStateImpl(ElementState state, WaitForElementStateOptions options) {
    if (options == null) {
      options = new WaitForElementStateOptions();
    }
@@ -460,7 +562,7 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("state", toProtocol(state));
-    sendMessage("waitForElementState", params, frame.timeout(options.timeout));
+    sendMessage("waitForElementState", params);
  }

  private static String toProtocol(ElementState state) {
@@ -469,12 +571,16 @@ public class ElementHandleImpl extends JSHandleImpl implements ElementHandle {

  @Override
  public ElementHandle waitForSelector(String selector, WaitForSelectorOptions options) {
+    return withLogging("ElementHandle.waitForSelector", () -> waitForSelectorImpl(selector, options));
+  }
+
+  private ElementHandle waitForSelectorImpl(String selector, WaitForSelectorOptions options) {
    if (options == null) {
      options = new WaitForSelectorOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonElement json = sendMessage("waitForSelector", params, frame.timeout(options.timeout)).getAsJsonObject();
+    JsonElement json = sendMessage("waitForSelector", params);
    JsonObject element = json.getAsJsonObject().getAsJsonObject("element");
    if (element == null) {
      return null;
@@ -58,7 +58,8 @@ class FileChooserImpl implements FileChooser {

  @Override
  public void setFiles(Path[] files, SetFilesOptions options) {
-    element.setInputFiles(files, convertType(options, ElementHandle.SetInputFilesOptions.class));
+    page.withLogging("FileChooser.setInputFiles",
+      () -> element.setInputFilesImpl(files, convertType(options, ElementHandle.SetInputFilesOptions.class)));
  }

  @Override
@@ -68,6 +69,7 @@ class FileChooserImpl implements FileChooser {

  @Override
  public void setFiles(FilePayload[] files, SetFilesOptions options) {
-    element.setInputFiles(files, convertType(options, ElementHandle.SetInputFilesOptions.class));
+    page.withLogging("FileChooser.setInputFiles",
+      () -> element.setInputFilesImpl(files, convertType(options, ElementHandle.SetInputFilesOptions.class)));
  }
 }
@@ -74,12 +74,16 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public ElementHandle querySelector(String selector, QuerySelectorOptions options) {
+    return withLogging("Frame.querySelector", () -> querySelectorImpl(selector, options));
+  }
+
+  ElementHandleImpl querySelectorImpl(String selector, QuerySelectorOptions options) {
    if (options == null) {
      options = new QuerySelectorOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonElement json = sendMessage("querySelector", params, NO_TIMEOUT);
+    JsonElement json = sendMessage("querySelector", params);
    JsonObject element = json.getAsJsonObject().getAsJsonObject("element");
    if (element == null) {
      return null;
@@ -89,18 +93,7 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public List<ElementHandle> querySelectorAll(String selector) {
-    JsonObject params = new JsonObject();
-    params.addProperty("selector", selector);
-    JsonElement json = sendMessage("querySelectorAll", params, NO_TIMEOUT);
-    JsonArray elements = json.getAsJsonObject().getAsJsonArray("elements");
-    if (elements == null) {
-      return null;
-    }
-    List<ElementHandle> handles = new ArrayList<>();
-    for (JsonElement item : elements) {
-      handles.add(connection.getExistingObject(item.getAsJsonObject().get("guid").getAsString()));
-    }
-    return handles;
+    return withLogging("Frame.querySelectorAll", () -> querySelectorAllImpl(selector));
  }

  @Override
@@ -117,7 +110,7 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public List<String> selectOption(String selector, String[] values, SelectOptionOptions options) {
-    return selectOptionImpl(selector, values, options);
+    return withLogging("Frame.selectOption", () -> selectOptionImpl(selector, values, options));
  }

  @Override
@@ -126,10 +119,24 @@ public class FrameImpl extends ChannelOwner implements Frame {
    return selectOption(selector, values, options);
  }

+  List<ElementHandle> querySelectorAllImpl(String selector) {
+    JsonObject params = new JsonObject();
+    params.addProperty("selector", selector);
+    JsonElement json = sendMessage("querySelectorAll", params);
+    JsonArray elements = json.getAsJsonObject().getAsJsonArray("elements");
+    if (elements == null) {
+      return null;
+    }
+    List<ElementHandle> handles = new ArrayList<>();
+    for (JsonElement item : elements) {
+      handles.add(connection.getExistingObject(item.getAsJsonObject().get("guid").getAsString()));
+    }
+    return handles;
+  }

  @Override
  public Object evalOnSelector(String selector, String pageFunction, Object arg, EvalOnSelectorOptions options) {
-    return evalOnSelectorImpl(selector, pageFunction, arg, options);
+    return withLogging("Frame.evalOnSelector", () -> evalOnSelectorImpl(selector, pageFunction, arg, options));
  }

  Object evalOnSelectorImpl(String selector, String pageFunction, Object arg, EvalOnSelectorOptions options) {
@@ -140,14 +147,14 @@ public class FrameImpl extends ChannelOwner implements Frame {
    params.addProperty("selector", selector);
    params.addProperty("expression", pageFunction);
    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evalOnSelector", params, NO_TIMEOUT);
+    JsonElement json = sendMessage("evalOnSelector", params);
    SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
    return deserialize(value);
  }

  @Override
  public Object evalOnSelectorAll(String selector, String pageFunction, Object arg) {
-    return evalOnSelectorAllImpl(selector, pageFunction, arg);
+    return withLogging("Frame.evalOnSelectorAll", () -> evalOnSelectorAllImpl(selector, pageFunction, arg));
  }

  Object evalOnSelectorAllImpl(String selector, String pageFunction, Object arg) {
@@ -155,14 +162,14 @@ public class FrameImpl extends ChannelOwner implements Frame {
    params.addProperty("selector", selector);
    params.addProperty("expression", pageFunction);
    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evalOnSelectorAll", params, NO_TIMEOUT);
+    JsonElement json = sendMessage("evalOnSelectorAll", params);
    SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
    return deserialize(value);
  }

  @Override
  public ElementHandle addScriptTag(AddScriptTagOptions options){
-    return addScriptTagImpl(options);
+    return withLogging("Frame.addScriptTag", () -> addScriptTagImpl(options));
  }

  ElementHandle addScriptTagImpl(AddScriptTagOptions options) {
@@ -182,13 +189,13 @@ public class FrameImpl extends ChannelOwner implements Frame {
      content = addSourceUrlToScript(content, options.path);
      jsonOptions.addProperty("content", content);
    }
-    JsonElement json = sendMessage("addScriptTag", jsonOptions, NO_TIMEOUT);
+    JsonElement json = sendMessage("addScriptTag", jsonOptions);
    return connection.getExistingObject(json.getAsJsonObject().getAsJsonObject("element").get("guid").getAsString());
  }

  @Override
  public ElementHandle addStyleTag(AddStyleTagOptions options){
-    return addStyleTagImpl(options);
+    return withLogging("Frame.addStyleTag", () -> addStyleTagImpl(options));
  }

  ElementHandle addStyleTagImpl(AddStyleTagOptions options) {
@@ -208,18 +215,22 @@ public class FrameImpl extends ChannelOwner implements Frame {
      content += "/*# sourceURL=" + options.path.toString().replace("\n", "") + "*/";
      jsonOptions.addProperty("content", content);
    }
-    JsonElement json = sendMessage("addStyleTag", jsonOptions, NO_TIMEOUT);
+    JsonElement json = sendMessage("addStyleTag", jsonOptions);
    return connection.getExistingObject(json.getAsJsonObject().getAsJsonObject("element").get("guid").getAsString());
  }

  @Override
  public void check(String selector, CheckOptions options){
+    withLogging("Frame.check", () -> checkImpl(selector, options));
+  }
+
+  void checkImpl(String selector, CheckOptions options) {
    if (options == null) {
      options = new CheckOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    sendMessage("check", params, timeout(options.timeout));
+    sendMessage("check", params);
  }

  @Override
@@ -229,7 +240,7 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public void click(String selector, ClickOptions options) {
-    clickImpl(selector, options);
+    withLogging("Frame.click", () -> clickImpl(selector, options));
  }

  void clickImpl(String selector, ClickOptions options) {
@@ -238,26 +249,38 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    sendMessage("click", params, timeout(options.timeout));
+    sendMessage("click", params);
  }

  @Override
  public String content() {
+    return withLogging("Frame.content", () -> contentImpl());
+  }
+
+  String contentImpl() {
    return sendMessage("content").getAsJsonObject().get("value").getAsString();
  }

  @Override
  public void dblclick(String selector, DblclickOptions options) {
+    withLogging("Frame.dblclick", () -> dblclickImpl(selector, options));
+  }
+
+  void dblclickImpl(String selector, DblclickOptions options) {
    if (options == null) {
      options = new DblclickOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    sendMessage("dblclick", params, timeout(options.timeout));
+    sendMessage("dblclick", params);
  }

  @Override
  public void dispatchEvent(String selector, String type, Object eventInit, DispatchEventOptions options) {
+    withLogging("Frame.dispatchEvent", () -> dispatchEventImpl(selector, type, eventInit, options));
+  }
+
+  void dispatchEventImpl(String selector, String type, Object eventInit, DispatchEventOptions options) {
    if (options == null) {
      options = new DispatchEventOptions();
    }
@@ -265,55 +288,71 @@ public class FrameImpl extends ChannelOwner implements Frame {
    params.addProperty("selector", selector);
    params.addProperty("type", type);
    params.add("eventInit", gson().toJsonTree(serializeArgument(eventInit)));
-    sendMessage("dispatchEvent", params, timeout(options.timeout));
+    sendMessage("dispatchEvent", params);
  }

  @Override
  public Object evaluate(String expression, Object arg) {
+    return withLogging("Frame.evaluate", () -> evaluateImpl(expression, arg));
+  }
+
+  Object evaluateImpl(String expression, Object arg) {
    JsonObject params = new JsonObject();
    params.addProperty("expression", expression);
    params.addProperty("world", "main");
    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evaluateExpression", params, NO_TIMEOUT);
+    JsonElement json = sendMessage("evaluateExpression", params);
    SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
    return deserialize(value);
  }

  @Override
  public JSHandle evaluateHandle(String pageFunction, Object arg) {
+    return withLogging("Frame.evaluateHandle", () -> evaluateHandleImpl(pageFunction, arg));
+  }
+
+  JSHandle evaluateHandleImpl(String pageFunction, Object arg) {
    JsonObject params = new JsonObject();
    params.addProperty("expression", pageFunction);
    params.addProperty("world", "main");
    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evaluateExpressionHandle", params, NO_TIMEOUT);
+    JsonElement json = sendMessage("evaluateExpressionHandle", params);
    return connection.getExistingObject(json.getAsJsonObject().getAsJsonObject("handle").get("guid").getAsString());
  }

  @Override
  public void fill(String selector, String value, FillOptions options) {
+    withLogging("Frame.fill", () -> fillImpl(selector, value, options));
+  }
+
+  void fillImpl(String selector, String value, FillOptions options) {
    if (options == null) {
      options = new FillOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
    params.addProperty("value", value);
-    sendMessage("fill", params, timeout(options.timeout));
+    sendMessage("fill", params);
  }

  @Override
  public void focus(String selector, FocusOptions options) {
+    withLogging("Frame.focus", () -> focusImpl(selector, options));
+  }
+
+  void focusImpl(String selector, FocusOptions options) {
    if (options == null) {
      options = new FocusOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    sendMessage("focus", params, timeout(options.timeout));
+    sendMessage("focus", params);
  }

  @Override
  public ElementHandle frameElement() {
-    JsonObject json = sendMessage("frameElement").getAsJsonObject();
-    return connection.getExistingObject(json.getAsJsonObject("element").get("guid").getAsString());
+    return withLogging("Frame.frameElement", () -> frameElementImpl());
+
  }

  @Override
@@ -321,9 +360,14 @@ public class FrameImpl extends ChannelOwner implements Frame {
    return new FrameLocatorImpl(this, selector);
  }

+  ElementHandle frameElementImpl() {
+    JsonObject json = sendMessage("frameElement").getAsJsonObject();
+    return connection.getExistingObject(json.getAsJsonObject("element").get("guid").getAsString());
+  }
+
  @Override
  public String getAttribute(String selector, String name, GetAttributeOptions options) {
-    return getAttributeImpl(selector, name, options);
+    return withLogging("Frame.getAttribute", () -> getAttributeImpl(selector, name, options));
  }

  @Override
@@ -398,7 +442,7 @@ public class FrameImpl extends ChannelOwner implements Frame {
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
    params.addProperty("name", name);
-    JsonObject json = sendMessage("getAttribute", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("getAttribute", params).getAsJsonObject();
    if (json.has("value")) {
      return json.get("value").getAsString();
    }
@@ -407,7 +451,7 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public ResponseImpl navigate(String url, NavigateOptions options) {
-    return navigateImpl(url, options);
+    return withLogging("Page.navigate", () -> navigateImpl(url, options));
  }

  ResponseImpl navigateImpl(String url, NavigateOptions options) {
@@ -416,7 +460,7 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("url", url);
-    JsonElement result = sendMessage("goto", params, navigationTimeout(options.timeout));
+    JsonElement result = sendMessage("goto", params);
    JsonObject jsonResponse = result.getAsJsonObject().getAsJsonObject("response");
    if (jsonResponse == null) {
      return null;
@@ -426,7 +470,7 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public void hover(String selector, HoverOptions options) {
-    hoverImpl(selector, options);
+    withLogging("Frame.hover", () -> hoverImpl(selector, options));
  }

  void hoverImpl(String selector, HoverOptions options) {
@@ -435,12 +479,12 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    sendMessage("hover", params, timeout(options.timeout));
+    sendMessage("hover", params);
  }

  @Override
  public void dragAndDrop(String source, String target, DragAndDropOptions options) {
-    dragAndDropImpl(source, target, options);
+    withLogging("Frame.dragAndDrop", () -> dragAndDropImpl(source, target, options));
  }

  void dragAndDropImpl(String source, String target, DragAndDropOptions options) {
@@ -450,12 +494,12 @@ public class FrameImpl extends ChannelOwner implements Frame {
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("source", source);
    params.addProperty("target", target);
-    sendMessage("dragAndDrop", params, timeout(options.timeout));
+    sendMessage("dragAndDrop", params);
  }

  @Override
  public String innerHTML(String selector, InnerHTMLOptions options) {
-    return innerHTMLImpl(selector, options);
+    return withLogging("Frame.innerHTML", () -> innerHTMLImpl(selector, options));
  }

  String innerHTMLImpl(String selector, InnerHTMLOptions options) {
@@ -464,13 +508,13 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject json = sendMessage("innerHTML", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("innerHTML", params).getAsJsonObject();
    return json.get("value").getAsString();
  }

  @Override
  public String innerText(String selector, InnerTextOptions options) {
-    return innerTextImpl(selector, options);
+    return withLogging("Frame.innerText", () -> innerTextImpl(selector, options));
  }

  String innerTextImpl(String selector, InnerTextOptions options) {
@@ -479,13 +523,13 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject json = sendMessage("innerText", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("innerText", params).getAsJsonObject();
    return json.get("value").getAsString();
  }

  @Override
  public String inputValue(String selector, InputValueOptions options) {
-    return inputValueImpl(selector, options);
+    return withLogging("Frame.inputValue", () -> inputValueImpl(selector, options));
  }

  String inputValueImpl(String selector, InputValueOptions options) {
@@ -494,13 +538,13 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject json = sendMessage("inputValue", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("inputValue", params).getAsJsonObject();
    return json.get("value").getAsString();
  }

  @Override
  public boolean isChecked(String selector, IsCheckedOptions options) {
-    return isCheckedImpl(selector, options);
+    return withLogging("Page.isChecked", () -> isCheckedImpl(selector, options));
  }

  boolean isCheckedImpl(String selector, IsCheckedOptions options) {
@@ -509,7 +553,7 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject json = sendMessage("isChecked", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("isChecked", params).getAsJsonObject();
    return json.get("value").getAsBoolean();
  }

@@ -520,7 +564,7 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public boolean isDisabled(String selector, IsDisabledOptions options) {
-    return isDisabledImpl(selector, options);
+    return withLogging("Page.isDisabled", () -> isDisabledImpl(selector, options));
  }

  boolean isDisabledImpl(String selector, IsDisabledOptions options) {
@@ -529,13 +573,13 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject json = sendMessage("isDisabled", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("isDisabled", params).getAsJsonObject();
    return json.get("value").getAsBoolean();
  }

  @Override
  public boolean isEditable(String selector, IsEditableOptions options) {
-    return isEditableImpl(selector, options);
+    return withLogging("Page.isEditable", () -> isEditableImpl(selector, options));
  }

  boolean isEditableImpl(String selector, IsEditableOptions options) {
@@ -544,13 +588,13 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject json = sendMessage("isEditable", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("isEditable", params).getAsJsonObject();
    return json.get("value").getAsBoolean();
  }

  @Override
  public boolean isEnabled(String selector, IsEnabledOptions options) {
-    return isEnabledImpl(selector, options);
+    return withLogging("Page.isEnabled", () -> isEnabledImpl(selector, options));
  }

  boolean isEnabledImpl(String selector, IsEnabledOptions options) {
@@ -559,13 +603,13 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject json = sendMessage("isEnabled", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("isEnabled", params).getAsJsonObject();
    return json.get("value").getAsBoolean();
  }

  @Override
  public boolean isHidden(String selector, IsHiddenOptions options) {
-    return isHiddenImpl(selector, options);
+    return withLogging("Page.isHidden", () -> isHiddenImpl(selector, options));
  }

  boolean isHiddenImpl(String selector, IsHiddenOptions options) {
@@ -574,13 +618,13 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject json = sendMessage("isHidden", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("isHidden", params).getAsJsonObject();
    return json.get("value").getAsBoolean();
  }

  @Override
  public boolean isVisible(String selector, IsVisibleOptions options) {
-    return isVisibleImpl(selector, options);
+    return withLogging("Page.isVisible", () -> isVisibleImpl(selector, options));
  }

  @Override
@@ -594,7 +638,7 @@ public class FrameImpl extends ChannelOwner implements Frame {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject json = sendMessage("isVisible", params, timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("isVisible", params).getAsJsonObject();
    return json.get("value").getAsBoolean();
  }

@@ -615,7 +659,7 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public void press(String selector, String key, PressOptions options) {
-    pressImpl(selector, key, options);
+    withLogging("Frame.press", () -> pressImpl(selector, key, options));
  }

  void pressImpl(String selector, String key, PressOptions options) {
@@ -625,12 +669,12 @@ public class FrameImpl extends ChannelOwner implements Frame {
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
    params.addProperty("key", key);
-    sendMessage("press", params, timeout(options.timeout));
+    sendMessage("press", params);
  }
-  
+
  @Override
  public List<String> selectOption(String selector, SelectOption[] values, SelectOptionOptions options) {
-    return selectOptionImpl(selector, values, options);
+    return withLogging("Frame.selectOption", () -> selectOptionImpl(selector, values, options));
  }

  List<String> selectOptionImpl(String selector, SelectOption[] values, SelectOptionOptions options) {
@@ -642,7 +686,7 @@ public class FrameImpl extends ChannelOwner implements Frame {
    if (values != null) {
      params.add("options", gson().toJsonTree(values));
    }
-    return selectOption(params, options.timeout);
+    return selectOption(params);
  }

  List<String> selectOptionImpl(String selector, String[] values, SelectOptionOptions options) {
@@ -654,12 +698,12 @@ public class FrameImpl extends ChannelOwner implements Frame {
    if (values != null) {
      params.add("options", toSelectValueOrLabel(values));
    }
-    return selectOption(params, options.timeout);
+    return selectOption(params);
  }

  @Override
  public List<String> selectOption(String selector, ElementHandle[] values, SelectOptionOptions options) {
-    return selectOptionImpl(selector, values, options);
+    return withLogging("Frame.selectOption", () -> selectOptionImpl(selector, values, options));
  }

  List<String> selectOptionImpl(String selector, ElementHandle[] values, SelectOptionOptions options) {
@@ -671,35 +715,30 @@ public class FrameImpl extends ChannelOwner implements Frame {
    if (values != null) {
      params.add("elements", Serialization.toProtocol(values));
    }
-    return selectOption(params, options.timeout);
+    return selectOption(params);
  }

-  private List<String> selectOption(JsonObject params, Double timeout) {
-    JsonObject json = sendMessage("selectOption", params, timeout(timeout)).getAsJsonObject();
+  private List<String> selectOption(JsonObject params) {
+    JsonObject json = sendMessage("selectOption", params).getAsJsonObject();
    return parseStringList(json.getAsJsonArray("values"));
  }

  @Override
  public void setChecked(String selector, boolean checked, SetCheckedOptions options) {
-    setCheckedImpl(selector, checked, options);
+    withLogging("Frame.setChecked", () -> setCheckedImpl(selector, checked, options));
  }

  void setCheckedImpl(String selector, boolean checked, SetCheckedOptions options) {
    if (checked) {
-      check(selector, convertType(options, CheckOptions.class));
+      checkImpl(selector, convertType(options, CheckOptions.class));
    } else {
-      uncheck(selector, convertType(options, UncheckOptions.class));
+      uncheckImpl(selector, convertType(options, UncheckOptions.class));
    }
  }

  @Override
  public void setContent(String html, SetContentOptions options) {
-    if (options == null) {
-      options = new SetContentOptions();
-    }
-    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    params.addProperty("html", html);
-    sendMessage("setContent", params, navigationTimeout(options.timeout));
+    withLogging("Frame.setContent", () -> setContentImpl(html, options));
  }

  @Override
@@ -707,9 +746,18 @@ public class FrameImpl extends ChannelOwner implements Frame {
    setInputFiles(selector, new Path[] {files}, options);
  }

+  void setContentImpl(String html, SetContentOptions options) {
+    if (options == null) {
+      options = new SetContentOptions();
+    }
+    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
+    params.addProperty("html", html);
+    sendMessage("setContent", params);
+  }
+
  @Override
  public void setInputFiles(String selector, Path[] files, SetInputFilesOptions options) {
-    setInputFilesImpl(selector, files, options);
+    withLogging("Frame.setInputFiles", () -> setInputFilesImpl(selector, files, options));
  }

  void setInputFilesImpl(String selector, Path[] files, SetInputFilesOptions options) {
@@ -719,7 +767,7 @@ public class FrameImpl extends ChannelOwner implements Frame {
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    addFilePathUploadParams(files, params, page.context());
    params.addProperty("selector", selector);
-    sendMessage("setInputFiles", params, timeout(options.timeout));
+    sendMessage("setInputFiles", params);
  }

  @Override
@@ -729,7 +777,7 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public void setInputFiles(String selector, FilePayload[] files, SetInputFilesOptions options) {
-    setInputFilesImpl(selector, files, options);
+    withLogging("Frame.setInputFiles", () -> setInputFilesImpl(selector, files, options));
  }

  void setInputFilesImpl(String selector, FilePayload[] files, SetInputFilesOptions options) {
@@ -740,54 +788,73 @@ public class FrameImpl extends ChannelOwner implements Frame {
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
    params.add("payloads", toJsonArray(files));
-    sendMessage("setInputFiles", params, timeout(options.timeout));
+    sendMessage("setInputFiles", params);
  }

  @Override
  public void tap(String selector, TapOptions options) {
+    withLogging("Frame.tap", () -> tapImpl(selector, options));
+  }
+  void tapImpl(String selector, TapOptions options) {
    if (options == null) {
      options = new TapOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    sendMessage("tap", params, timeout(options.timeout));
+    sendMessage("tap", params);
  }

  @Override
  public String textContent(String selector, TextContentOptions options) {
+    return withLogging("Frame.textContent", () -> textContentImpl(selector, options));
+  }
+
+  String textContentImpl(String selector, TextContentOptions options) {
    if (options == null) {
      options = new TextContentOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    return sendMessage("textContent", params, timeout(options.timeout)).getAsJsonObject().get("value").getAsString();
+    return sendMessage("textContent", params).getAsJsonObject().get("value").getAsString();
  }

  @Override
  public String title() {
+    return withLogging("Frame.title", () -> titleImpl());
+  }
+
+  String titleImpl() {
    JsonElement json = sendMessage("title");
    return json.getAsJsonObject().get("value").getAsString();
  }

  @Override
  public void type(String selector, String text, TypeOptions options) {
+    withLogging("Frame.type", () -> typeImpl(selector, text, options));
+  }
+
+  void typeImpl(String selector, String text, TypeOptions options) {
    if (options == null) {
      options = new TypeOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
    params.addProperty("text", text);
-    sendMessage("type", params, timeout(options.timeout));
+    sendMessage("type", params);
  }

  @Override
  public void uncheck(String selector, UncheckOptions options) {
+    withLogging("Frame.uncheck", () -> uncheckImpl(selector, options));
+  }
+
+  void uncheckImpl(String selector, UncheckOptions options) {
    if (options == null) {
      options = new UncheckOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    sendMessage("uncheck", params, timeout(options.timeout));
+    sendMessage("uncheck", params);
  }

  @Override
@@ -797,13 +864,17 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public JSHandle waitForFunction(String pageFunction, Object arg, WaitForFunctionOptions options) {
+    return withLogging("Frame.waitForFunction", () -> waitForFunctionImpl(pageFunction, arg, options));
+  }
+
+  JSHandle waitForFunctionImpl(String pageFunction, Object arg, WaitForFunctionOptions options) {
    if (options == null) {
      options = new WaitForFunctionOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("expression", pageFunction);
    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("waitForFunction", params, timeout(options.timeout));
+    JsonElement json = sendMessage("waitForFunction", params);
    JsonObject element = json.getAsJsonObject().getAsJsonObject("handle");
    return connection.getExistingObject(element.get("guid").getAsString());
  }
@@ -960,7 +1031,7 @@ public class FrameImpl extends ChannelOwner implements Frame {

    List<Waitable<Response>> waitables = new ArrayList<>();
    if (matcher == null) {
-      matcher = UrlMatcher.forOneOf(page.context().baseUrl(), options.url, this.connection.localUtils, false);
+      matcher = UrlMatcher.forOneOf(page.context().baseUrl, options.url, this.connection.localUtils, false);
    }
    logger.log("waiting for navigation " + matcher);
    waitables.add(new WaitForNavigationHelper(matcher, options.waitUntil, logger));
@@ -972,6 +1043,10 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public ElementHandle waitForSelector(String selector, WaitForSelectorOptions options) {
+    return withLogging("Frame.waitForSelector", () -> waitForSelectorImpl(selector, options));
+  }
+
+  ElementHandle waitForSelectorImpl(String selector, WaitForSelectorOptions options) {
    return waitForSelectorImpl(selector, options, false);
  }

@@ -982,7 +1057,7 @@ public class FrameImpl extends ChannelOwner implements Frame {
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
    params.addProperty("omitReturnValue", omitReturnValue);
-    JsonElement json = sendMessage("waitForSelector", params, timeout(options.timeout));
+    JsonElement json = sendMessage("waitForSelector", params);
    JsonObject element = json.getAsJsonObject().getAsJsonObject("element");
    if (element == null) {
      return null;
@@ -992,14 +1067,18 @@ public class FrameImpl extends ChannelOwner implements Frame {

  @Override
  public void waitForTimeout(double timeout) {
+    withLogging("Frame.waitForTimeout", () -> waitForTimeoutImpl(timeout));
+  }
+
+  void waitForTimeoutImpl(double timeout) {
    JsonObject params = new JsonObject();
-    params.addProperty("waitTimeout", timeout);
-    sendMessage("waitForTimeout", params, NO_TIMEOUT);
+    params.addProperty("timeout", timeout);
+    sendMessage("waitForTimeout", params);
  }

  @Override
  public void waitForURL(String url, WaitForURLOptions options) {
-    waitForURL(UrlMatcher.forGlob(page.context().baseUrl(), url, this.connection.localUtils, false), options);
+    waitForURL(UrlMatcher.forGlob(page.context().baseUrl, url, this.connection.localUtils, false), options);
  }

  @Override
@@ -1034,14 +1113,14 @@ public class FrameImpl extends ChannelOwner implements Frame {
  int queryCount(String selector) {
    JsonObject params = new JsonObject();
    params.addProperty("selector", selector);
-    JsonObject result = sendMessage("queryCount", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject result = sendMessage("queryCount", params).getAsJsonObject();
    return result.get("value").getAsInt();
  }

  void highlightImpl(String selector) {
    JsonObject params = new JsonObject();
    params.addProperty("selector", selector);
-    sendMessage("highlight", params, NO_TIMEOUT);
+    sendMessage("highlight", params);
  }

  protected void handleEvent(String event, JsonObject params) {
@@ -1072,30 +1151,4 @@ public class FrameImpl extends ChannelOwner implements Frame {
      internalListeners.notify(InternalEventType.NAVIGATED, params);
    }
  }
-
-  protected double timeout(Double timeout) {
-    if (page != null) {
-      return page.timeoutSettings.timeout(timeout);
-    }
-    return new TimeoutSettings().timeout(timeout);
-  }
-
-  protected double navigationTimeout(Double timeout) {
-    if (page != null) {
-      return page.timeoutSettings.navigationTimeout(timeout);
-    }
-    return new TimeoutSettings().navigationTimeout(timeout);
-  }
-
-  FrameExpectResult expect(String expression, FrameExpectOptions options, String title) {
-    return withTitle(title, () -> expect(expression, options));
-  }
-
-  FrameExpectResult expect(String expression, FrameExpectOptions options) {
-    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    params.addProperty("expression", expression);
-    JsonElement json = sendMessage("expect", params, options.timeout);
-    FrameExpectResult result = gson().fromJson(json, FrameExpectResult.class);
-    return result;
-  }
 }
@@ -26,7 +26,6 @@ import java.nio.file.Path;
 import java.util.Base64;
 import java.util.Map;

-import static com.microsoft.playwright.impl.ChannelOwner.NO_TIMEOUT;
 import static com.microsoft.playwright.impl.LoggingSupport.*;
 import static com.microsoft.playwright.impl.Serialization.fromNameValues;
 import static com.microsoft.playwright.impl.Serialization.gson;
@@ -42,7 +41,7 @@ public class HARRouter {

    JsonObject params = new JsonObject();
    params.addProperty("file", harFile.toString());
-    JsonObject json = localUtils.sendMessage("harOpen", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject json = localUtils.sendMessage("harOpen", params).getAsJsonObject();
    if (json.has("error")) {
      throw new PlaywrightException(json.get("error").getAsString());
    }
@@ -62,7 +61,7 @@ public class HARRouter {
      params.addProperty("postData", base64);
    }
    params.addProperty("isNavigationRequest", request.isNavigationRequest());
-    JsonObject response = localUtils.sendMessage("harLookup", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject response = localUtils.sendMessage("harLookup", params).getAsJsonObject();

    String action = response.get("action").getAsString();
    if ("redirect".equals(action)) {
@@ -41,58 +41,70 @@ public class JSHandleImpl extends ChannelOwner implements JSHandle {

  @Override
  public void dispose() {
-    try {
-      sendMessage("dispose");
-    } catch (TargetClosedError e) {
-    }
+    withLogging("JSHandle.dispose", () -> {
+      try {
+        sendMessage("dispose");
+      } catch (TargetClosedError e) {
+      }
+    });
  }

  @Override
  public Object evaluate(String pageFunction, Object arg) {
-    JsonObject params = new JsonObject();
-    params.addProperty("expression", pageFunction);
-    params.addProperty("world", "main");
-    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evaluateExpression", params, NO_TIMEOUT);
-    SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
-    return deserialize(value);
+    return withLogging("JSHandle.evaluate", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("expression", pageFunction);
+      params.addProperty("world", "main");
+      params.add("arg", gson().toJsonTree(serializeArgument(arg)));
+      JsonElement json = sendMessage("evaluateExpression", params);
+      SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
+      return deserialize(value);
+    });
  }

  @Override
  public JSHandle evaluateHandle(String pageFunction, Object arg) {
-    JsonObject params = new JsonObject();
-    params.addProperty("expression", pageFunction);
-    params.addProperty("world", "main");
-    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evaluateExpressionHandle", params, NO_TIMEOUT);
-    return connection.getExistingObject(json.getAsJsonObject().getAsJsonObject("handle").get("guid").getAsString());
+    return withLogging("JSHandle.evaluateHandle", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("expression", pageFunction);
+      params.addProperty("world", "main");
+      params.add("arg", gson().toJsonTree(serializeArgument(arg)));
+      JsonElement json = sendMessage("evaluateExpressionHandle", params);
+      return connection.getExistingObject(json.getAsJsonObject().getAsJsonObject("handle").get("guid").getAsString());
+    });
  }

  @Override
  public Map<String, JSHandle> getProperties() {
-    JsonObject json = sendMessage("getPropertyList").getAsJsonObject();
-    Map<String, JSHandle> result = new HashMap<>();
-    for (JsonElement e : json.getAsJsonArray("properties")) {
-      JsonObject item = e.getAsJsonObject();
-      JSHandle value = connection.getExistingObject(item.getAsJsonObject("value").get("guid").getAsString());
-      result.put(item.get("name").getAsString(), value);
-    }
-    return result;
+    return withLogging("JSHandle.getProperties", () -> {
+      JsonObject json = sendMessage("getPropertyList").getAsJsonObject();
+      Map<String, JSHandle> result = new HashMap<>();
+      for (JsonElement e : json.getAsJsonArray("properties")) {
+        JsonObject item = e.getAsJsonObject();
+        JSHandle value = connection.getExistingObject(item.getAsJsonObject("value").get("guid").getAsString());
+        result.put(item.get("name").getAsString(), value);
+      }
+      return result;
+    });
  }

  @Override
  public JSHandle getProperty(String propertyName) {
-    JsonObject params = new JsonObject();
-    params.addProperty("name", propertyName);
-    JsonObject json = sendMessage("getProperty", params, NO_TIMEOUT).getAsJsonObject();
-    return connection.getExistingObject(json.getAsJsonObject("handle").get("guid").getAsString());
+    return withLogging("JSHandle.getProperty", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("name", propertyName);
+      JsonObject json = sendMessage("getProperty", params).getAsJsonObject();
+      return connection.getExistingObject(json.getAsJsonObject("handle").get("guid").getAsString());
+    });
  }

  @Override
  public Object jsonValue() {
-    JsonObject json = sendMessage("jsonValue").getAsJsonObject();
-    SerializedValue value = gson().fromJson(json.get("value"), SerializedValue.class);
-    return deserialize(value);
+    return withLogging("JSHandle.jsonValue", () -> {
+      JsonObject json = sendMessage("jsonValue").getAsJsonObject();
+      SerializedValue value = gson().fromJson(json.get("value"), SerializedValue.class);
+      return deserialize(value);
+    });
  }

  @Override
@@ -44,7 +44,7 @@ class JsonPipe extends ChannelOwner implements Transport {
    checkIfClosed();
    JsonObject params = new JsonObject();
    params.add("message", message);
-    sendMessage("send", params, NO_TIMEOUT);
+    sendMessage("send", params);
  }

  @Override
@@ -19,7 +19,6 @@ package com.microsoft.playwright.impl;
 import com.google.gson.JsonObject;
 import com.microsoft.playwright.Keyboard;

-import static com.microsoft.playwright.impl.ChannelOwner.NO_TIMEOUT;
 import static com.microsoft.playwright.impl.Serialization.gson;

 class KeyboardImpl implements Keyboard {
@@ -31,21 +30,25 @@ class KeyboardImpl implements Keyboard {

  @Override
  public void down(String key) {
-    JsonObject params = new JsonObject();
-    params.addProperty("key", key);
-    page.sendMessage("keyboardDown", params, NO_TIMEOUT);
+    page.withLogging("Keyboard.down", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("key", key);
+      page.sendMessage("keyboardDown", params);
+    });
  }

  @Override
  public void insertText(String text) {
-    JsonObject params = new JsonObject();
-    params.addProperty("text", text);
-    page.sendMessage("keyboardInsertText", params, NO_TIMEOUT);
+    page.withLogging("Keyboard.insertText", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("text", text);
+      page.sendMessage("keyboardInsertText", params);
+    });
  }

  @Override
  public void press(String key, PressOptions options) {
-    pressImpl(key, options);
+    page.withLogging("Keyboard.press", () -> pressImpl(key, options));
  }

  private void pressImpl(String key, PressOptions options) {
@@ -54,12 +57,12 @@ class KeyboardImpl implements Keyboard {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("key", key);
-    page.sendMessage("keyboardPress", params, NO_TIMEOUT);
+    page.sendMessage("keyboardPress", params);
  }

    @Override
  public void type(String text, TypeOptions options) {
-    typeImpl(text, options);
+    page.withLogging("Keyboard.type", () -> typeImpl(text, options));
  }

  private void typeImpl(String text, TypeOptions options) {
@@ -68,13 +71,15 @@ class KeyboardImpl implements Keyboard {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("text", text);
-    page.sendMessage("keyboardType", params, NO_TIMEOUT);
+    page.sendMessage("keyboardType", params);
  }

  @Override
  public void up(String key) {
-    JsonObject params = new JsonObject();
-    params.addProperty("key", key);
-    page.sendMessage("keyboardUp", params, NO_TIMEOUT);
+    page.withLogging("Keyboard.up", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("key", key);
+      page.sendMessage("keyboardUp", params);
+    });
  }
 }
@@ -28,6 +28,7 @@ import static com.microsoft.playwright.impl.Serialization.gson;
 public class LocalUtils extends ChannelOwner {
  LocalUtils(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
+    markAsInternalType();
  }

  JsonArray deviceDescriptors() {
@@ -41,13 +42,13 @@ public class LocalUtils extends ChannelOwner {
    params.addProperty("mode", appendMode ? "append" : "write");
    params.addProperty("stacksId", stacksId);
    params.addProperty("includeSources", includeSources);
-    sendMessage("zip", params, NO_TIMEOUT);
+    sendMessage("zip", params);
  }

  void traceDiscarded(String stacksId) {
    JsonObject params = new JsonObject();
    params.addProperty("stacksId", stacksId);
-    sendMessage("traceDiscarded", params, NO_TIMEOUT);
+    sendMessage("traceDiscarded", params);
  }

  String tracingStarted(String tracesDir, String traceName) {
@@ -56,7 +57,7 @@ public class LocalUtils extends ChannelOwner {
      params.addProperty("tracesDir", "");
    }
    params.addProperty("traceName", traceName);
-    JsonObject json = connection.localUtils().sendMessage("tracingStarted", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject json = connection.localUtils().sendMessage("tracingStarted", params).getAsJsonObject();
    return json.get("stacksId").getAsString();
  }

@@ -67,7 +68,7 @@ public class LocalUtils extends ChannelOwner {
      params.addProperty("baseURL", baseURL);
    }
    params.addProperty("webSocketUrl", webSocketUrl);
-    JsonObject json = connection.localUtils().sendMessage("globToRegex", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject json = connection.localUtils().sendMessage("globToRegex", params).getAsJsonObject();
    String regex = json.get("regex").getAsString();
    return Pattern.compile(regex);
  }
@@ -20,6 +20,7 @@ import com.microsoft.playwright.Locator;
 import com.microsoft.playwright.assertions.LocatorAssertions;
 import com.microsoft.playwright.options.AriaRole;

+import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -30,20 +31,12 @@ import static com.microsoft.playwright.impl.Serialization.serializeArgument;
 import static com.microsoft.playwright.impl.Utils.convertType;

 public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAssertions {
-  LocatorImpl actualLocator;
-
  public LocatorAssertionsImpl(Locator locator) {
    this(locator, false);
  }

  private LocatorAssertionsImpl(Locator locator, boolean isNot) {
-    super(isNot);
-    this.actualLocator = (LocatorImpl) locator;
-  }
-
-  @Override
-  FrameExpectResult doExpect(String expression, FrameExpectOptions expectOptions, String title) {
-    return actualLocator.expect(expression, expectOptions, title);
+    super((LocatorImpl) locator, isNot);
  }


@@ -51,7 +44,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
  public void containsClass(String classname, ContainsClassOptions options) {
    ExpectedTextValue expected = new ExpectedTextValue();
    expected.string = classname;
-    expectImpl("to.contain.class", expected, classname, "Locator expected to contain class", convertType(options, FrameExpectOptions.class), "Assert \"containsClass\"");
+    expectImpl("to.contain.class", expected, classname, "Locator expected to contain class", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -62,7 +55,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
      expected.string = text;
      list.add(expected);
    }
-    expectImpl("to.contain.class.array", list, classnames, "Locator expected to contain classes", convertType(options, FrameExpectOptions.class), "Assert \"containsClass\"");
+    expectImpl("to.contain.class.array", list, classnames, "Locator expected to contain classes", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -72,7 +65,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    expected.ignoreCase = shouldIgnoreCase(options);
    expected.matchSubstring = true;
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.text", expected, text, "Locator expected to contain text", convertType(options, FrameExpectOptions.class), "Assert \"containsText\"");
+    expectImpl("to.have.text", expected, text, "Locator expected to contain text", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -81,7 +74,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    expected.ignoreCase = shouldIgnoreCase(options);
    expected.matchSubstring = true;
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.text", expected, pattern, "Locator expected to contain regex", convertType(options, FrameExpectOptions.class), "Assert \"containsText\"");
+    expectImpl("to.have.text", expected, pattern, "Locator expected to contain regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -95,7 +88,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
      expected.normalizeWhiteSpace = true;
      list.add(expected);
    }
-    expectImpl("to.contain.text.array", list, strings, "Locator expected to contain text", convertType(options, FrameExpectOptions.class), "Assert \"containsText\"");
+    expectImpl("to.contain.text.array", list, strings, "Locator expected to contain text", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -108,7 +101,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
      expected.normalizeWhiteSpace = true;
      list.add(expected);
    }
-    expectImpl("to.contain.text.array", list, patterns, "Locator expected to contain text", convertType(options, FrameExpectOptions.class), "Assert \"containsText\"");
+    expectImpl("to.contain.text.array", list, patterns, "Locator expected to contain text", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -117,7 +110,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    expected.string = description;
    expected.ignoreCase = shouldIgnoreCase(options);
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.accessible.description", expected, description, "Locator expected to have accessible description", convertType(options, FrameExpectOptions.class), "Assert \"hasAccessibleDescription\"");
+    expectImpl("to.have.accessible.description", expected, description, "Locator expected to have accessible description", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -125,7 +118,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    ExpectedTextValue expected = expectedRegex(pattern);
    expected.ignoreCase = shouldIgnoreCase(options);
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.accessible.description", expected, pattern, "Locator expected to have accessible description", convertType(options, FrameExpectOptions.class), "Assert \"hasAccessibleDescription\"");
+    expectImpl("to.have.accessible.description", expected, pattern, "Locator expected to have accessible description", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -134,7 +127,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    expected.string = errorMessage;
    expected.ignoreCase = shouldIgnoreCase(options);
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.accessible.error.message", expected, errorMessage, "Locator expected to have accessible error message", convertType(options, FrameExpectOptions.class), "Assert \"hasAccessibleErrorMessage\"");
+    expectImpl("to.have.accessible.error.message", expected, errorMessage, "Locator expected to have accessible error message", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -142,7 +135,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    ExpectedTextValue expected = expectedRegex(pattern);
    expected.ignoreCase = shouldIgnoreCase(options);
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.accessible.error.message", expected, pattern, "Locator expected to have accessible error message", convertType(options, FrameExpectOptions.class), "Assert \"hasAccessibleErrorMessage\"");
+    expectImpl("to.have.accessible.error.message", expected, pattern, "Locator expected to have accessible error message", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -151,7 +144,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    expected.string = name;
    expected.ignoreCase = shouldIgnoreCase(options);
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.accessible.name", expected, name, "Locator expected to have accessible name", convertType(options, FrameExpectOptions.class), "Assert \"hasAccessibleName\"");
+    expectImpl("to.have.accessible.name", expected, name, "Locator expected to have accessible name", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -159,7 +152,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    ExpectedTextValue expected = expectedRegex(pattern);
    expected.ignoreCase = shouldIgnoreCase(options);
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.accessible.name", expected, pattern, "Locator expected to have accessible name", convertType(options, FrameExpectOptions.class), "Assert \"hasAccessibleName\"");
+    expectImpl("to.have.accessible.name", expected, pattern, "Locator expected to have accessible name", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -187,20 +180,20 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    if (expectedValue instanceof Pattern) {
      message += " matching regex";
    }
-    expectImpl("to.have.attribute.value", expectedText, expectedValue, message, commonOptions, "Assert \"hasAttribute\"");
+    expectImpl("to.have.attribute.value", expectedText, expectedValue, message, commonOptions);
  }

  @Override
  public void hasClass(String text, HasClassOptions options) {
    ExpectedTextValue expected = new ExpectedTextValue();
    expected.string = text;
-    expectImpl("to.have.class", expected, text, "Locator expected to have class", convertType(options, FrameExpectOptions.class), "Assert \"hasClass\"");
+    expectImpl("to.have.class", expected, text, "Locator expected to have class", convertType(options, FrameExpectOptions.class));
  }

  @Override
  public void hasClass(Pattern pattern, HasClassOptions options) {
    ExpectedTextValue expected = expectedRegex(pattern);
-    expectImpl("to.have.class", expected, pattern, "Locator expected to have class matching regex", convertType(options, FrameExpectOptions.class), "Assert \"hasClass\"");
+    expectImpl("to.have.class", expected, pattern, "Locator expected to have class matching regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -211,7 +204,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
      expected.string = text;
      list.add(expected);
    }
-    expectImpl("to.have.class.array", list, strings, "Locator expected to have class", convertType(options, FrameExpectOptions.class), "Assert \"hasClass\"");
+    expectImpl("to.have.class.array", list, strings, "Locator expected to have class", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -221,7 +214,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
      ExpectedTextValue expected = expectedRegex(pattern);
      list.add(expected);
    }
-    expectImpl("to.have.class.array", list, patterns, "Locator expected to have class matching regex", convertType(options, FrameExpectOptions.class), "Assert \"hasClass\"");
+    expectImpl("to.have.class.array", list, patterns, "Locator expected to have class matching regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -232,7 +225,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    FrameExpectOptions commonOptions = convertType(options, FrameExpectOptions.class);
    commonOptions.expectedNumber = (double) count;
    List<ExpectedTextValue> expectedText = null;
-    expectImpl("to.have.count", expectedText, count, "Locator expected to have count", commonOptions, "Assert \"hasCount\"");
+    expectImpl("to.have.count", expectedText, count, "Locator expected to have count", commonOptions);
  }

  @Override
@@ -258,20 +251,20 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    if (expectedValue instanceof Pattern) {
      message += " matching regex";
    }
-    expectImpl("to.have.css", expectedText, expectedValue, message, commonOptions, "Assert \"hasCSS\"");
+    expectImpl("to.have.css", expectedText, expectedValue, message, commonOptions);
  }

  @Override
  public void hasId(String id, HasIdOptions options) {
    ExpectedTextValue expected = new ExpectedTextValue();
    expected.string = id;
-    expectImpl("to.have.id", expected, id, "Locator expected to have ID", convertType(options, FrameExpectOptions.class), "Assert \"hasId\"");
+    expectImpl("to.have.id", expected, id, "Locator expected to have ID", convertType(options, FrameExpectOptions.class));
  }

  @Override
  public void hasId(Pattern pattern, HasIdOptions options) {
    ExpectedTextValue expected = expectedRegex(pattern);
-    expectImpl("to.have.id", expected, pattern, "Locator expected to have ID matching regex", convertType(options, FrameExpectOptions.class), "Assert \"hasId\"");
+    expectImpl("to.have.id", expected, pattern, "Locator expected to have ID matching regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -283,14 +276,14 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    commonOptions.expressionArg = name;
    commonOptions.expectedValue = serializeArgument(value);
    List<ExpectedTextValue> list = null;
-    expectImpl("to.have.property", list, value, "Locator expected to have JavaScript property '" + name + "'", commonOptions, "Assert \"hasJSProperty\"");
+    expectImpl("to.have.property", list, value, "Locator expected to have JavaScript property '" + name + "'", commonOptions);
  }

  @Override
  public void hasRole(AriaRole role, HasRoleOptions options) {
    ExpectedTextValue expected = new ExpectedTextValue();
    expected.string = role.toString().toLowerCase();
-    expectImpl("to.have.role", expected, expected.string, "Locator expected to have role", convertType(options, FrameExpectOptions.class), "Assert \"hasRole\"");
+    expectImpl("to.have.role", expected, expected.string, "Locator expected to have role", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -300,7 +293,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    expected.ignoreCase = shouldIgnoreCase(options);
    expected.matchSubstring = false;
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.text", expected, text, "Locator expected to have text", convertType(options, FrameExpectOptions.class), "Assert \"hasText\"");
+    expectImpl("to.have.text", expected, text, "Locator expected to have text", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -310,7 +303,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    // Just match substring, same as containsText.
    expected.matchSubstring = true;
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.text", expected, pattern, "Locator expected to have text matching regex", convertType(options, FrameExpectOptions.class), "Assert \"hasText\"");
+    expectImpl("to.have.text", expected, pattern, "Locator expected to have text matching regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -324,7 +317,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
      expected.normalizeWhiteSpace = true;
      list.add(expected);
    }
-    expectImpl("to.have.text.array", list, strings, "Locator expected to have text", convertType(options, FrameExpectOptions.class), "Assert \"hasText\"");
+    expectImpl("to.have.text.array", list, strings, "Locator expected to have text", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -337,20 +330,20 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
      expected.normalizeWhiteSpace = true;
      list.add(expected);
    }
-    expectImpl("to.have.text.array", list, patterns, "Locator expected to have text matching regex", convertType(options, FrameExpectOptions.class), "Assert \"hasText\"");
+    expectImpl("to.have.text.array", list, patterns, "Locator expected to have text matching regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
  public void hasValue(String value, HasValueOptions options) {
    ExpectedTextValue expected = new ExpectedTextValue();
    expected.string = value;
-    expectImpl("to.have.value", expected, value, "Locator expected to have value", convertType(options, FrameExpectOptions.class), "Assert \"hasValue\"");
+    expectImpl("to.have.value", expected, value, "Locator expected to have value", convertType(options, FrameExpectOptions.class));
  }

  @Override
  public void hasValue(Pattern pattern, HasValueOptions options) {
    ExpectedTextValue expected = expectedRegex(pattern);
-    expectImpl("to.have.value", expected, pattern, "Locator expected to have value matching regex", convertType(options, FrameExpectOptions.class), "Assert \"hasValue\"");
+    expectImpl("to.have.value", expected, pattern, "Locator expected to have value matching regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -361,7 +354,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
      expected.string = text;
      list.add(expected);
    }
-    expectImpl("to.have.values", list, values, "Locator expected to have values", convertType(options, FrameExpectOptions.class), "Assert \"hasValues\"");
+    expectImpl("to.have.values", list, values, "Locator expected to have values", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -372,7 +365,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
      expected.matchSubstring = true;
      list.add(expected);
    }
-    expectImpl("to.have.values", list, patterns, "Locator expected to have values matching regex", convertType(options, FrameExpectOptions.class), "Assert \"hasValues\"");
+    expectImpl("to.have.values", list, patterns, "Locator expected to have values matching regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -382,7 +375,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    }
    FrameExpectOptions options = convertType(snapshotOptions, FrameExpectOptions.class);
    options.expectedValue = serializeArgument(expected);
-    expectImpl("to.match.aria", options, expected,"Locator expected to match Aria snapshot", "Assert \"matchesAriaSnapshot\"");
+    expectImpl("to.match.aria", options, expected,"Locator expected to match Aria snapshot");
  }

  @Override
@@ -410,12 +403,12 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    String message = "Locator expected to be";
    FrameExpectOptions expectOptions = convertType(options, FrameExpectOptions.class);
    expectOptions.expectedValue = serializeArgument(expectedValue);
-    expectImpl("to.be.checked", expectOptions, expected, message, "Assert \"isChecked\"");
+    expectImpl("to.be.checked", expectOptions, expected, message);
  }

  @Override
  public void isDisabled(IsDisabledOptions options) {
-    expectTrue("to.be.disabled", "Locator expected to be disabled", convertType(options, FrameExpectOptions.class), "Assert \"isDisabled\"");
+    expectTrue("to.be.disabled", "Locator expected to be disabled", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -423,12 +416,12 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    FrameExpectOptions frameOptions = convertType(options, FrameExpectOptions.class);
    boolean editable = options == null || options.editable == null || options.editable == true;
    String message = "Locator expected to be " + (editable ? "editable" : "readonly");
-    expectTrue(editable ? "to.be.editable" : "to.be.readonly", message, frameOptions, "Assert \"isEditable\"");
+    expectTrue(editable ? "to.be.editable" : "to.be.readonly", message, frameOptions);
  }

  @Override
  public void isEmpty(IsEmptyOptions options) {
-    expectTrue("to.be.empty", "Locator expected to be empty", convertType(options, FrameExpectOptions.class), "Assert \"isEmpty\"");
+    expectTrue("to.be.empty", "Locator expected to be empty", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -436,17 +429,17 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    FrameExpectOptions frameOptions = convertType(options, FrameExpectOptions.class);
    boolean enabled = options == null || options.enabled == null || options.enabled == true;
    String message = "Locator expected to be " + (enabled ? "enabled" : "disabled");
-    expectTrue(enabled ? "to.be.enabled" : "to.be.disabled", message, frameOptions, "Assert \"isEnabled\"");
+    expectTrue(enabled ? "to.be.enabled" : "to.be.disabled", message, frameOptions);
  }

  @Override
  public void isFocused(IsFocusedOptions options) {
-    expectTrue("to.be.focused", "Locator expected to be focused", convertType(options, FrameExpectOptions.class), "Assert \"isFocused\"");
+    expectTrue("to.be.focused", "Locator expected to be focused", convertType(options, FrameExpectOptions.class));
  }

  @Override
  public void isHidden(IsHiddenOptions options) {
-    expectTrue("to.be.hidden", "Locator expected to be hidden", convertType(options, FrameExpectOptions.class), "Assert \"isHidden\"");
+    expectTrue("to.be.hidden", "Locator expected to be hidden", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -455,7 +448,7 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    if (options != null && options.ratio != null) {
      expectOptions.expectedNumber = options.ratio;
    }
-    expectTrue("to.be.in.viewport", "Locator expected to be in viewport",  expectOptions, "Assert \"isInViewport\"");
+    expectTrue("to.be.in.viewport", "Locator expected to be in viewport",  expectOptions);
  }

  @Override
@@ -463,12 +456,12 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    FrameExpectOptions frameOptions = convertType(options, FrameExpectOptions.class);
    boolean visible = options == null || options.visible == null || options.visible == true;
    String message = "Locator expected to be " + (visible ? "visible" : "hidden");
-    expectTrue(visible ? "to.be.visible" : "to.be.hidden", message, frameOptions, "Assert \"isVisible\"");
+    expectTrue(visible ? "to.be.visible" : "to.be.hidden", message, frameOptions);
  }

-  private void expectTrue(String expression, String message, FrameExpectOptions options, String title) {
+  private void expectTrue(String expression, String message, FrameExpectOptions options) {
    List<ExpectedTextValue> expectedText = null;
-    expectImpl(expression, expectedText, null, message, options, title);
+    expectImpl(expression, expectedText, null, message, options);
  }

  @Override
@@ -481,6 +474,6 @@ public class LocatorAssertionsImpl extends AssertionsBase implements LocatorAsse
    FrameExpectOptions frameOptions = convertType(options, FrameExpectOptions.class);
    boolean attached = options == null || options.attached == null || options.attached == true;
    String message = "Locator expected to be " + (attached ? "attached" : "detached");
-    expectTrue(attached ? "to.be.attached" : "to.be.detached", message, frameOptions, "Assert \"isAttached\"");
+    expectTrue(attached ? "to.be.attached" : "to.be.detached", message, frameOptions);
  }
 }
@@ -67,25 +67,27 @@ class LocatorImpl implements Locator {
    this.selector = selector;
  }

-  private <R, O> R withElement(BiFunction<ElementHandle, O, R> callback, O options, String title) {
-    return frame.withTitle(title, () -> {
-      ElementHandleOptions handleOptions = convertType(options, ElementHandleOptions.class);
-      // TODO: support deadline based timeout
-      //    Double timeout = null;
-      //    if (handleOptions != null) {
-      //      timeout = handleOptions.timeout;
-      //    }
-      //    timeout = frame.page.timeoutSettings.timeout(timeout);
-      //    long deadline = System.nanoTime() + (long) timeout.doubleValue() * 1_000_000;
-      ElementHandle handle = elementHandle(handleOptions);
-      try {
-        return callback.apply(handle, options);
-      } finally {
-        if (handle != null) {
-          handle.dispose();
-        }
+  private static String escapeWithQuotes(String text) {
+    return gson().toJson(text);
+  }
+
+  private <R, O> R withElement(BiFunction<ElementHandle, O, R> callback, O options) {
+    ElementHandleOptions handleOptions = convertType(options, ElementHandleOptions.class);
+    // TODO: support deadline based timeout
+//    Double timeout = null;
+//    if (handleOptions != null) {
+//      timeout = handleOptions.timeout;
+//    }
+//    timeout = frame.page.timeoutSettings.timeout(timeout);
+//    long deadline = System.nanoTime() + (long) timeout.doubleValue() * 1_000_000;
+    ElementHandle handle = elementHandle(handleOptions);
+    try {
+      return callback.apply(handle, options);
+    } finally {
+      if (handle != null) {
+        handle.dispose();
      }
-    });
+    }
  }

  @Override
@@ -118,29 +120,37 @@ class LocatorImpl implements Locator {

  @Override
  public String ariaSnapshot(AriaSnapshotOptions options) {
+    return frame.withLogging("Locator.ariaSnapshot", () -> ariaSnapshotImpl(options));
+  }
+
+  private String ariaSnapshotImpl(AriaSnapshotOptions options) {
    if (options == null) {
      options = new AriaSnapshotOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
-    JsonObject result = frame.sendMessage("ariaSnapshot", params, frame.timeout(options.timeout)).getAsJsonObject();
+    JsonObject result = frame.sendMessage("ariaSnapshot", params).getAsJsonObject();
    return result.get("snapshot").getAsString();
  }

  @Override
  public void blur(BlurOptions options) {
+    frame.withLogging("Locator.blur", () -> blurImpl(options));
+  }
+
+  private void blurImpl(BlurOptions options) {
    if (options == null) {
      options = new BlurOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("selector", selector);
    params.addProperty("strict", true);
-    frame.sendMessage("blur", params, frame.timeout(options.timeout));
+    frame.sendMessage("blur", params);
  }

  @Override
  public BoundingBox boundingBox(BoundingBoxOptions options) {
-    return withElement((h, o) -> h.boundingBox(), options, "Bounding Box");
+    return withElement((h, o) -> h.boundingBox(), options);
  }

  @Override
@@ -153,7 +163,7 @@ class LocatorImpl implements Locator {

  @Override
  public void clear(ClearOptions options) {
-    frame.withTitle("Clear", () -> fill("", convertType(options, FillOptions.class)));
+    fill("", convertType(options, FillOptions.class));
  }

  @Override
@@ -169,11 +179,6 @@ class LocatorImpl implements Locator {
    return frame.queryCount(selector);
  }

-  @Override
-  public Locator describe(String description) {
-    return locator(describeSelector(description));
-  }
-
  @Override
  public void dblclick(DblclickOptions options) {
    if (options == null) {
@@ -223,7 +228,7 @@ class LocatorImpl implements Locator {

  @Override
  public Object evaluate(String expression, Object arg, EvaluateOptions options) {
-    return withElement((h, o) -> h.evaluate(expression, arg), options, "Evaluate");
+    return withElement((h, o) -> h.evaluate(expression, arg), options);
  }

  @Override
@@ -233,7 +238,7 @@ class LocatorImpl implements Locator {

  @Override
  public JSHandle evaluateHandle(String expression, Object arg, EvaluateHandleOptions options) {
-    return withElement((h, o) -> h.evaluateHandle(expression, arg), options, "Evaluate");
+    return withElement((h, o) -> h.evaluateHandle(expression, arg), options);
  }

  @Override
@@ -478,7 +483,7 @@ class LocatorImpl implements Locator {

  @Override
  public byte[] screenshot(ScreenshotOptions options) {
-    return withElement((h, o) -> h.screenshot(o), convertType(options, ElementHandle.ScreenshotOptions.class), "Screenshot");
+    return withElement((h, o) -> h.screenshot(o), convertType(options, ElementHandle.ScreenshotOptions.class));
  }

  @Override
@@ -486,7 +491,7 @@ class LocatorImpl implements Locator {
    withElement((h, o) -> {
      h.scrollIntoViewIfNeeded(o);
      return null;
-    }, convertType(options, ElementHandle.ScrollIntoViewIfNeededOptions.class), "Scroll into view");
+    }, convertType(options, ElementHandle.ScrollIntoViewIfNeededOptions.class));
  }

  @Override
@@ -542,7 +547,7 @@ class LocatorImpl implements Locator {
    withElement((h, o) -> {
      h.selectText(o);
      return null;
-    }, convertType(options, ElementHandle.SelectTextOptions.class), "Select text");
+    }, convertType(options, ElementHandle.SelectTextOptions.class));
  }

  @Override
@@ -622,7 +627,11 @@ class LocatorImpl implements Locator {
    if (options == null) {
      options = new WaitForOptions();
    }
-    frame.waitForSelectorImpl(selector, convertType(options, Frame.WaitForSelectorOptions.class).setStrict(true), true);
+    waitForImpl(options);
+  }
+
+  private void waitForImpl(WaitForOptions options) {
+    frame.withLogging("Locator.waitFor", () -> frame.waitForSelectorImpl(selector, convertType(options, Frame.WaitForSelectorOptions.class).setStrict(true), true));
  }

  @Override
@@ -644,9 +653,8 @@ class LocatorImpl implements Locator {
    return frame.hashCode() ^ selector.hashCode();
  }

-  FrameExpectResult expect(String expression, FrameExpectOptions options, String title) {
-    options.selector = selector;
-    return frame.expect(expression, options, title);
+  FrameExpectResult expect(String expression, FrameExpectOptions options) {
+    return frame.withLogging("Locator.expect", () -> expectImpl(expression, options));
  }

  JsonObject toProtocol() {
@@ -655,4 +663,13 @@ class LocatorImpl implements Locator {
    result.addProperty("selector", selector);
    return result;
  }
+
+  private FrameExpectResult expectImpl(String expression, FrameExpectOptions options) {
+    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
+    params.addProperty("selector", selector);
+    params.addProperty("expression", expression);
+    JsonElement json = frame.sendMessage("expect", params);
+    FrameExpectResult result = gson().fromJson(json, FrameExpectResult.class);
+    return result;
+  }
 }
@@ -39,12 +39,9 @@ public class LocatorUtils {
    return "internal:attr=[" + attrName + "=" + escapeForAttributeSelector(value, exact) + "]";
  }

-  static String describeSelector(String description) {
-    return "internal:describe=" + gson().toJson(description);
-  }
-
  static String getByTestIdSelector(Object testId, PlaywrightImpl playwright) {
-    return getByAttributeTextSelector(playwright.selectors.testIdAttributeName, testId, true);
+    String testIdAttributeName = ((SharedSelectors) playwright.selectors()).testIdAttributeName;
+    return getByAttributeTextSelector(testIdAttributeName, testId, true);
  }

  static String getByAltTextSelector(Object text, Locator.GetByAltTextOptions options) {
@@ -19,6 +19,7 @@ package com.microsoft.playwright.impl;
 import java.time.ZoneId;
 import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
+import java.util.function.Supplier;

 class LoggingSupport {
  private static final boolean isEnabled;
@@ -30,6 +31,29 @@ class LoggingSupport {
  private static final DateTimeFormatter timestampFormat = DateTimeFormatter.ofPattern(
    "yyyy-MM-dd'T'HH:mm:ss.SSSXXX").withZone(ZoneId.of("UTC"));

+  void withLogging(String apiName, Runnable code) {
+    withLogging(apiName, () -> {
+      code.run();
+      return null;
+    });
+  }
+
+  <T> T withLogging(String apiName, Supplier<T> code) {
+    if (isEnabled) {
+      logApi("=> " + apiName + " started");
+    }
+    boolean success = false;
+    try {
+      T result = code.get();
+      success = true;
+      return result;
+    } finally {
+      if (isEnabled) {
+        logApi("<= " + apiName + (success ? " succeeded" : " failed"));
+      }
+    }
+  }
+
  static void logWithTimestamp(String message) {
    // This matches log format produced by the server.
    String timestamp = ZonedDateTime.now().format(timestampFormat);
@@ -19,7 +19,6 @@ package com.microsoft.playwright.impl;
 import com.google.gson.JsonObject;
 import com.microsoft.playwright.Mouse;

-import static com.microsoft.playwright.impl.ChannelOwner.NO_TIMEOUT;
 import static com.microsoft.playwright.impl.Serialization.gson;
 import static com.microsoft.playwright.impl.Utils.convertType;

@@ -32,18 +31,22 @@ class MouseImpl implements Mouse {

  @Override
  public void click(double x, double y, ClickOptions options) {
+    page.withLogging("Mouse.click", () -> clickImpl(x, y, options));
+  }
+
+  private void clickImpl(double x, double y, ClickOptions options) {
    if (options == null) {
      options = new ClickOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("x", x);
    params.addProperty("y", y);
-    page.sendMessage("mouseClick", params, NO_TIMEOUT);
+    page.sendMessage("mouseClick", params);
  }

  @Override
  public void dblclick(double x, double y, DblclickOptions options) {
-    page.withTitle("Double click", () -> dblclickImpl(x, y, options));
+    page.withLogging("Mouse.dblclick", () -> dblclickImpl(x, y, options));
  }

  private void dblclickImpl(double x, double y, DblclickOptions options) {
@@ -59,38 +62,52 @@ class MouseImpl implements Mouse {

  @Override
  public void down(DownOptions options) {
+    page.withLogging("Mouse.down", () -> downImpl(options));
+  }
+
+  private void downImpl(DownOptions options) {
    if (options == null) {
      options = new DownOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    page.sendMessage("mouseDown", params, NO_TIMEOUT);
+    page.sendMessage("mouseDown", params);
  }

  @Override
  public void move(double x, double y, MoveOptions options) {
+    page.withLogging("Mouse.move", () -> moveImpl(x, y, options));
+  }
+
+  private void moveImpl(double x, double y, MoveOptions options) {
    if (options == null) {
      options = new MoveOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("x", x);
    params.addProperty("y", y);
-    page.sendMessage("mouseMove", params, NO_TIMEOUT);
+    page.sendMessage("mouseMove", params);
  }

  @Override
  public void up(UpOptions options) {
-    if (options == null) {
-      options = new UpOptions();
-    }
-    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    page.sendMessage("mouseUp", params, NO_TIMEOUT);
+    page.withLogging("Mouse.up", () -> upImpl(options));
  }

  @Override
  public void wheel(double deltaX, double deltaY) {
-    JsonObject params = new JsonObject();
-    params.addProperty("deltaX", deltaX);
-    params.addProperty("deltaY", deltaY);
-    page.sendMessage("mouseWheel", params, NO_TIMEOUT);
+    page.withLogging("Mouse.wheel", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("deltaX", deltaX);
+      params.addProperty("deltaY", deltaY);
+      page.sendMessage("mouseWheel", params);
+    });
+  }
+
+  private void upImpl(UpOptions options) {
+    if (options == null) {
+      options = new UpOptions();
+    }
+    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
+    page.sendMessage("mouseUp", params);
  }
 }
@@ -21,6 +21,7 @@ import com.microsoft.playwright.assertions.PageAssertions;

 import java.util.regex.Pattern;

+import static com.microsoft.playwright.impl.LocatorAssertionsImpl.shouldIgnoreCase;
 import static com.microsoft.playwright.impl.UrlMatcher.resolveUrl;
 import static com.microsoft.playwright.impl.Utils.convertType;

@@ -32,45 +33,39 @@ public class PageAssertionsImpl extends AssertionsBase implements PageAssertions
  }

  private PageAssertionsImpl(Page page, boolean isNot) {
-    super(isNot);
+    super((LocatorImpl) page.locator(":root"), isNot);
    this.actualPage = (PageImpl) page;
  }

-  @Override
-  FrameExpectResult doExpect(String expression, FrameExpectOptions expectOptions, String title) {
-    FrameImpl frame = (FrameImpl) actualPage.mainFrame();
-    return frame.expect(expression, expectOptions, title);
-  }
-
  @Override
  public void hasTitle(String title, HasTitleOptions options) {
    ExpectedTextValue expected = new ExpectedTextValue();
    expected.string = title;
    expected.normalizeWhiteSpace = true;
-    expectImpl("to.have.title", expected, title, "Page title expected to be", convertType(options, FrameExpectOptions.class), "Assert \"hasTitle\"");
+    expectImpl("to.have.title", expected, title, "Page title expected to be", convertType(options, FrameExpectOptions.class));
  }

  @Override
  public void hasTitle(Pattern pattern, HasTitleOptions options) {
    ExpectedTextValue expected = expectedRegex(pattern);
-    expectImpl("to.have.title", expected, pattern, "Page title expected to match regex", convertType(options, FrameExpectOptions.class), "Assert \"hasTitle\"");
+    expectImpl("to.have.title", expected, pattern, "Page title expected to match regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
  public void hasURL(String url, HasURLOptions options) {
    ExpectedTextValue expected = new ExpectedTextValue();
-    if (actualPage.context().baseUrl() != null) {
-      url = resolveUrl(actualPage.context().baseUrl(), url);
+    if (actualPage.context().baseUrl != null) {
+      url = resolveUrl(actualPage.context().baseUrl, url);
    }
    expected.string = url;
    expected.ignoreCase = shouldIgnoreCase(options);
-    expectImpl("to.have.url", expected, url, "Page URL expected to be", convertType(options, FrameExpectOptions.class), "Assert \"hasURL\"");
+    expectImpl("to.have.url", expected, url, "Page URL expected to be", convertType(options, FrameExpectOptions.class));
  }

  @Override
  public void hasURL(Pattern pattern, HasURLOptions options) {
    ExpectedTextValue expected = expectedRegex(pattern);
-    expectImpl("to.have.url", expected, pattern, "Page URL expected to match regex", convertType(options, FrameExpectOptions.class), "Assert \"hasURL\"");
+    expectImpl("to.have.url", expected, pattern, "Page URL expected to match regex", convertType(options, FrameExpectOptions.class));
  }

  @Override
@@ -95,7 +95,7 @@ public class PageImpl extends ChannelOwner implements Page {
  BrowserContextImpl ownedContext;
  private boolean isClosed;
  final Set<Worker> workers = new HashSet<>();
-  protected final TimeoutSettings timeoutSettings;
+  private final TimeoutSettings timeoutSettings;
  private VideoImpl video;
  private final PageImpl opener;
  private String closeReason;
@@ -546,7 +546,7 @@ public class PageImpl extends ChannelOwner implements Page {
        ownedContext.close();
      } else {
        JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-        sendMessage("close", params, NO_TIMEOUT);
+        sendMessage("close", params);
      }
    } catch (PlaywrightException exception) {
      if (isSafeCloseError(exception) && (options.runBeforeUnload == null || !options.runBeforeUnload)) {
@@ -558,13 +558,13 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public ElementHandle querySelector(String selector, QuerySelectorOptions options) {
-    return mainFrame.querySelector(
-      selector, convertType(options, Frame.QuerySelectorOptions.class));
+    return withLogging("Page.querySelector", () -> mainFrame.querySelectorImpl(
+      selector, convertType(options, Frame.QuerySelectorOptions.class)));
  }

  @Override
  public List<ElementHandle> querySelectorAll(String selector) {
-    return mainFrame.querySelectorAll(selector);
+    return withLogging("Page.querySelectorAll", () -> mainFrame.querySelectorAllImpl(selector));
  }

  @Override
@@ -580,15 +580,17 @@ public class PageImpl extends ChannelOwner implements Page {
      return;
    }
    AddLocatorHandlerOptions finalOptions = options;
-    JsonObject params = new JsonObject();
-    params.addProperty("selector", locatorImpl.selector);
-    if (finalOptions.noWaitAfter != null && finalOptions.noWaitAfter) {
-      params.addProperty("noWaitAfter", true);
-    }
-    params.addProperty("selector", locatorImpl.selector);
-    JsonObject json = (JsonObject) sendMessage("registerLocatorHandler", params, NO_TIMEOUT);
-    int uid = json.get("uid").getAsInt();
-    locatorHandlers.put(uid, new LocatorHandler(locator, handler, finalOptions.times));
+    withLogging("Page.addLocatorHandler", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("selector", locatorImpl.selector);
+      if (finalOptions.noWaitAfter != null && finalOptions.noWaitAfter) {
+        params.addProperty("noWaitAfter", true);
+      }
+      params.addProperty("selector", locatorImpl.selector);
+      JsonObject json = (JsonObject) sendMessage("registerLocatorHandler", params);
+      int uid = json.get("uid").getAsInt();
+      locatorHandlers.put(uid, new LocatorHandler(locator, handler, finalOptions.times));
+    });
  }

  @Override
@@ -599,7 +601,7 @@ public class PageImpl extends ChannelOwner implements Page {
        JsonObject params = new JsonObject();
        params.addProperty("uid", entry.getKey());
        try {
-          sendMessage("unregisterLocatorHandler", params, NO_TIMEOUT);
+          sendMessage("unregisterLocatorHandler", params);
        } catch (PlaywrightException e) {
        }
      }
@@ -624,65 +626,71 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public Object evalOnSelector(String selector, String pageFunction, Object arg, EvalOnSelectorOptions options) {
-    return mainFrame.evalOnSelectorImpl(
-      selector, pageFunction, arg, convertType(options, Frame.EvalOnSelectorOptions.class));
+    return withLogging("Page.evalOnSelector", () -> mainFrame.evalOnSelectorImpl(
+      selector, pageFunction, arg, convertType(options, Frame.EvalOnSelectorOptions.class)));
  }

  @Override
  public Object evalOnSelectorAll(String selector, String pageFunction, Object arg) {
-    return mainFrame.evalOnSelectorAllImpl(selector, pageFunction, arg);
+    return withLogging("Page.evalOnSelectorAll", () -> mainFrame.evalOnSelectorAllImpl(selector, pageFunction, arg));
  }

  @Override
  public void addInitScript(String script) {
-    addInitScriptImpl(script);
+    withLogging("Page.addInitScript", () -> addInitScriptImpl(script));
  }

  @Override
  public void addInitScript(Path path) {
-    try {
-      byte[] bytes = readAllBytes(path);
-      String script = addSourceUrlToScript(new String(bytes, UTF_8), path);
-      addInitScriptImpl(script);
-    } catch (IOException e) {
-      throw new PlaywrightException("Failed to read script from file", e);
-    }
+    withLogging("Page.addInitScript", () -> {
+      try {
+        byte[] bytes = readAllBytes(path);
+        String script = addSourceUrlToScript(new String(bytes, UTF_8), path);
+        addInitScriptImpl(script);
+      } catch (IOException e) {
+        throw new PlaywrightException("Failed to read script from file", e);
+      }
+    });
  }

  private void addInitScriptImpl(String script) {
    JsonObject params = new JsonObject();
    params.addProperty("source", script);
-    sendMessage("addInitScript", params, NO_TIMEOUT);
+    sendMessage("addInitScript", params);
  }

  @Override
  public ElementHandle addScriptTag(AddScriptTagOptions options) {
-    return mainFrame.addScriptTagImpl(convertType(options, Frame.AddScriptTagOptions.class));
+    return withLogging("Page.addScriptTag",
+      () -> mainFrame.addScriptTagImpl(convertType(options, Frame.AddScriptTagOptions.class)));
  }

  @Override
  public ElementHandle addStyleTag(AddStyleTagOptions options) {
-    return mainFrame.addStyleTagImpl(convertType(options, Frame.AddStyleTagOptions.class));
+    return withLogging("Page.addStyleTag",
+      () -> mainFrame.addStyleTagImpl(convertType(options, Frame.AddStyleTagOptions.class)));
  }

  @Override
  public void bringToFront() {
-    sendMessage("bringToFront");
+    withLogging("Page.bringToFront", () -> sendMessage("bringToFront"));
  }

  @Override
  public void check(String selector, CheckOptions options) {
-    mainFrame.check(selector, convertType(options, Frame.CheckOptions.class));
+    withLogging("Page.check",
+      () -> mainFrame.checkImpl(selector, convertType(options, Frame.CheckOptions.class)));
  }

  @Override
  public void click(String selector, ClickOptions options) {
-    mainFrame.clickImpl(selector, convertType(options, Frame.ClickOptions.class));
+    withLogging("Page.click",
+      () -> mainFrame.clickImpl(selector, convertType(options, Frame.ClickOptions.class)));
  }

  @Override
  public String content() {
-    return mainFrame.content();
+    return withLogging("Page.content", () -> mainFrame.contentImpl());
  }

  @Override
@@ -692,17 +700,19 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public void dblclick(String selector, DblclickOptions options) {
-    mainFrame.dblclick(selector, convertType(options, Frame.DblclickOptions.class));
+    withLogging("Page.dblclick",
+      () -> mainFrame.dblclickImpl(selector, convertType(options, Frame.DblclickOptions.class)));
  }

  @Override
  public void dispatchEvent(String selector, String type, Object eventInit, DispatchEventOptions options) {
-    mainFrame.dispatchEvent(selector, type, eventInit, convertType(options, Frame.DispatchEventOptions.class));
+    withLogging("Page.dispatchEvent",
+      () -> mainFrame.dispatchEventImpl(selector, type, eventInit, convertType(options, Frame.DispatchEventOptions.class)));
  }

  @Override
  public void emulateMedia(EmulateMediaOptions options) {
-    emulateMediaImpl(options);
+    withLogging("Page.emulateMedia", () -> emulateMediaImpl(options));
  }

  private void emulateMediaImpl(EmulateMediaOptions options) {
@@ -710,22 +720,22 @@ public class PageImpl extends ChannelOwner implements Page {
      options = new EmulateMediaOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    sendMessage("emulateMedia", params, NO_TIMEOUT);
+    sendMessage("emulateMedia", params);
  }

  @Override
  public Object evaluate(String expression, Object arg) {
-    return mainFrame.evaluate(expression, arg);
+    return withLogging("Page.evaluate", () -> mainFrame.evaluateImpl(expression, arg));
  }

  @Override
  public JSHandle evaluateHandle(String pageFunction, Object arg) {
-    return mainFrame.evaluateHandle(pageFunction, arg);
+    return withLogging("Page.evaluateHandle", () -> mainFrame.evaluateHandleImpl(pageFunction, arg));
  }

  @Override
  public void exposeBinding(String name, BindingCallback playwrightBinding, ExposeBindingOptions options) {
-    exposeBindingImpl(name, playwrightBinding, options);
+    withLogging("Page.exposeBinding", () -> exposeBindingImpl(name, playwrightBinding, options));
  }

  private void exposeBindingImpl(String name, BindingCallback playwrightBinding, ExposeBindingOptions options) {
@@ -742,22 +752,25 @@ public class PageImpl extends ChannelOwner implements Page {
    if (options != null && options.handle != null && options.handle) {
      params.addProperty("needsHandle", true);
    }
-    sendMessage("exposeBinding", params, NO_TIMEOUT);
+    sendMessage("exposeBinding", params);
  }

  @Override
  public void exposeFunction(String name, FunctionCallback playwrightFunction) {
-    exposeBindingImpl(name, (BindingCallback.Source source, Object... args) -> playwrightFunction.call(args), null);
+    withLogging("Page.exposeFunction",
+      () -> exposeBindingImpl(name, (BindingCallback.Source source, Object... args) -> playwrightFunction.call(args), null));
  }

  @Override
  public void fill(String selector, String value, FillOptions options) {
-    mainFrame.fill(selector, value, convertType(options, Frame.FillOptions.class));
+    withLogging("Page.fill",
+      () -> mainFrame.fillImpl(selector, value, convertType(options, Frame.FillOptions.class)));
  }

  @Override
  public void focus(String selector, FocusOptions options) {
-    mainFrame.focus(selector, convertType(options, Frame.FocusOptions.class));
+    withLogging("Page.focus",
+      () -> mainFrame.focusImpl(selector, convertType(options, Frame.FocusOptions.class)));
  }

  @Override
@@ -772,7 +785,7 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public Frame frameByUrl(String glob) {
-    return frameFor(UrlMatcher.forGlob(browserContext.baseUrl(), glob, this.connection.localUtils, false));
+    return frameFor(UrlMatcher.forGlob(browserContext.baseUrl, glob, this.connection.localUtils, false));
  }

  @Override
@@ -806,77 +819,89 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public String getAttribute(String selector, String name, GetAttributeOptions options) {
-    return mainFrame.getAttributeImpl(selector, name, convertType(options, Frame.GetAttributeOptions.class));
+    return withLogging("Page.getAttribute",
+      () -> mainFrame.getAttributeImpl(selector, name, convertType(options, Frame.GetAttributeOptions.class)));
  }

  @Override
  public Locator getByAltText(String text, GetByAltTextOptions options) {
-    return mainFrame.getByAltText(text, convertType(options, Frame.GetByAltTextOptions.class));
+    return withLogging("Page.getAttribute",
+      () -> mainFrame.getByAltText(text, convertType(options, Frame.GetByAltTextOptions.class)));
  }

  @Override
  public Locator getByAltText(Pattern text, GetByAltTextOptions options) {
-    return mainFrame.getByAltText(text, convertType(options, Frame.GetByAltTextOptions.class));
+    return withLogging("Page.getByAltText",
+      () -> mainFrame.getByAltText(text, convertType(options, Frame.GetByAltTextOptions.class)));
  }

  @Override
  public Locator getByLabel(String text, GetByLabelOptions options) {
-    return mainFrame.getByLabel(text, convertType(options, Frame.GetByLabelOptions.class));
+    return withLogging("Page.getByLabel",
+      () -> mainFrame.getByLabel(text, convertType(options, Frame.GetByLabelOptions.class)));
  }

  @Override
  public Locator getByLabel(Pattern text, GetByLabelOptions options) {
-    return mainFrame.getByLabel(text, convertType(options, Frame.GetByLabelOptions.class));
+    return withLogging("Page.getByLabel",
+      () -> mainFrame.getByLabel(text, convertType(options, Frame.GetByLabelOptions.class)));
  }

  @Override
  public Locator getByPlaceholder(String text, GetByPlaceholderOptions options) {
-    return mainFrame.getByPlaceholder(text, convertType(options, Frame.GetByPlaceholderOptions.class));
+    return withLogging("Page.getByPlaceholder",
+      () -> mainFrame.getByPlaceholder(text, convertType(options, Frame.GetByPlaceholderOptions.class)));
  }

  @Override
  public Locator getByPlaceholder(Pattern text, GetByPlaceholderOptions options) {
-    return mainFrame.getByPlaceholder(text, convertType(options, Frame.GetByPlaceholderOptions.class));
+    return withLogging("Page.getByPlaceholder",
+      () -> mainFrame.getByPlaceholder(text, convertType(options, Frame.GetByPlaceholderOptions.class)));
  }

  @Override
  public Locator getByRole(AriaRole role, GetByRoleOptions options) {
-    return mainFrame.getByRole(role, convertType(options, Frame.GetByRoleOptions.class));
+    return withLogging("Page.getByRole",
+      () -> mainFrame.getByRole(role, convertType(options, Frame.GetByRoleOptions.class)));
  }

  @Override
  public Locator getByTestId(String testId) {
-    return mainFrame.getByTestId(testId);
+    return withLogging("Page.getByTestId", () -> mainFrame.getByTestId(testId));
  }

  @Override
  public Locator getByTestId(Pattern testId) {
-    return mainFrame.getByTestId(testId);
+    return withLogging("Page.getByTestId", () -> mainFrame.getByTestId(testId));
  }

  @Override
  public Locator getByText(String text, GetByTextOptions options) {
-    return mainFrame.getByText(text, convertType(options, Frame.GetByTextOptions.class));
+    return withLogging("Page.getByText",
+      () -> mainFrame.getByText(text, convertType(options, Frame.GetByTextOptions.class)));
  }

  @Override
  public Locator getByText(Pattern text, GetByTextOptions options) {
-    return mainFrame.getByText(text, convertType(options, Frame.GetByTextOptions.class));
+    return withLogging("Page.getByText",
+      () -> mainFrame.getByText(text, convertType(options, Frame.GetByTextOptions.class)));
  }

  @Override
  public Locator getByTitle(String text, GetByTitleOptions options) {
-    return mainFrame.getByTitle(text, convertType(options, Frame.GetByTitleOptions.class));
+    return withLogging("Page.getByTitle",
+      () -> mainFrame.getByTitle(text, convertType(options, Frame.GetByTitleOptions.class)));
  }

  @Override
  public Locator getByTitle(Pattern text, GetByTitleOptions options) {
-    return mainFrame.getByTitle(text, convertType(options, Frame.GetByTitleOptions.class));
+    return withLogging("Page.getByTitle",
+      () -> mainFrame.getByTitle(text, convertType(options, Frame.GetByTitleOptions.class)));
  }

  @Override
  public Response goBack(GoBackOptions options) {
-    return goBackImpl(options);
+    return withLogging("Page.goBack", () -> goBackImpl(options));
  }

  Response goBackImpl(GoBackOptions options) {
@@ -884,7 +909,7 @@ public class PageImpl extends ChannelOwner implements Page {
      options = new GoBackOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    JsonObject json = sendMessage("goBack", params, timeoutSettings.navigationTimeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("goBack", params).getAsJsonObject();
    if (json.has("response")) {
      return connection.getExistingObject(json.getAsJsonObject("response").get("guid").getAsString());
    }
@@ -893,7 +918,7 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public Response goForward(GoForwardOptions options) {
-    return goForwardImpl(options);
+    return withLogging("Page.goForward", () -> goForwardImpl(options));
  }

  Response goForwardImpl(GoForwardOptions options) {
@@ -901,7 +926,7 @@ public class PageImpl extends ChannelOwner implements Page {
      options = new GoForwardOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    JsonObject json = sendMessage("goForward", params, timeoutSettings.navigationTimeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("goForward", params).getAsJsonObject();
    if (json.has("response")) {
      return connection.getExistingObject(json.getAsJsonObject("response").get("guid").getAsString());
    }
@@ -910,42 +935,46 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public void requestGC() {
-    sendMessage("requestGC");
+    withLogging("Page.requestGC", () -> sendMessage("requestGC"));
  }

  @Override
  public ResponseImpl navigate(String url, NavigateOptions options) {
-    return mainFrame.navigateImpl(url, convertType(options, Frame.NavigateOptions.class));
+    return withLogging("Page.navigate", () -> mainFrame.navigateImpl(url, convertType(options, Frame.NavigateOptions.class)));
  }

  @Override
  public void hover(String selector, HoverOptions options) {
-    mainFrame.hoverImpl(selector, convertType(options, Frame.HoverOptions.class));
+    withLogging("Page.hover", () -> mainFrame.hoverImpl(selector, convertType(options, Frame.HoverOptions.class)));
  }

  @Override
  public void dragAndDrop(String source, String target, DragAndDropOptions options) {
-    mainFrame.dragAndDropImpl(source, target, convertType(options, Frame.DragAndDropOptions.class));
+    withLogging("Page.dragAndDrop", () -> mainFrame.dragAndDropImpl(source, target, convertType(options, Frame.DragAndDropOptions.class)));
  }

  @Override
  public String innerHTML(String selector, InnerHTMLOptions options) {
-    return mainFrame.innerHTMLImpl(selector, convertType(options, Frame.InnerHTMLOptions.class));
+    return withLogging("Page.innerHTML",
+      () -> mainFrame.innerHTMLImpl(selector, convertType(options, Frame.InnerHTMLOptions.class)));
  }

  @Override
  public String innerText(String selector, InnerTextOptions options) {
-    return mainFrame.innerTextImpl(selector, convertType(options, Frame.InnerTextOptions.class));
+    return withLogging("Page.innerText",
+      () -> mainFrame.innerTextImpl(selector, convertType(options, Frame.InnerTextOptions.class)));
  }

  @Override
  public String inputValue(String selector, InputValueOptions options) {
-    return mainFrame.inputValueImpl(selector, convertType(options, Frame.InputValueOptions.class));
+    return withLogging("Page.inputValue",
+      () -> mainFrame.inputValueImpl(selector, convertType(options, Frame.InputValueOptions.class)));
  }

  @Override
  public boolean isChecked(String selector, IsCheckedOptions options) {
-    return mainFrame.isCheckedImpl(selector, convertType(options, Frame.IsCheckedOptions.class));
+    return withLogging("Page.isChecked",
+      () -> mainFrame.isCheckedImpl(selector, convertType(options, Frame.IsCheckedOptions.class)));
  }

  @Override
@@ -955,27 +984,32 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public boolean isDisabled(String selector, IsDisabledOptions options) {
-    return mainFrame.isDisabledImpl(selector, convertType(options, Frame.IsDisabledOptions.class));
+    return withLogging("Page.isDisabled",
+      () -> mainFrame.isDisabledImpl(selector, convertType(options, Frame.IsDisabledOptions.class)));
  }

  @Override
  public boolean isEditable(String selector, IsEditableOptions options) {
-    return mainFrame.isEditableImpl(selector, convertType(options, Frame.IsEditableOptions.class));
+    return withLogging("Page.isEditable",
+      () -> mainFrame.isEditableImpl(selector, convertType(options, Frame.IsEditableOptions.class)));
  }

  @Override
  public boolean isEnabled(String selector, IsEnabledOptions options) {
-    return mainFrame.isEnabledImpl(selector, convertType(options, Frame.IsEnabledOptions.class));
+    return withLogging("Page.isEnabled",
+      () -> mainFrame.isEnabledImpl(selector, convertType(options, Frame.IsEnabledOptions.class)));
  }

  @Override
  public boolean isHidden(String selector, IsHiddenOptions options) {
-    return mainFrame.isHiddenImpl(selector, convertType(options, Frame.IsHiddenOptions.class));
+    return withLogging("Page.isHidden",
+      () -> mainFrame.isHiddenImpl(selector, convertType(options, Frame.IsHiddenOptions.class)));
  }

  @Override
  public boolean isVisible(String selector, IsVisibleOptions options) {
-    return mainFrame.isVisibleImpl(selector, convertType(options, Frame.IsVisibleOptions.class));
+    return withLogging("Page.isVisible",
+      () -> mainFrame.isVisibleImpl(selector, convertType(options, Frame.IsVisibleOptions.class)));
  }

  @Override
@@ -1008,21 +1042,23 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public void pause() {
-    Double defaultNavigationTimeout = browserContext.timeoutSettings.defaultNavigationTimeout();
-    Double defaultTimeout = browserContext.timeoutSettings.defaultTimeout();
-    browserContext.setDefaultNavigationTimeout(0.0);
-    browserContext.setDefaultTimeout(0.0);
-    try {
-      runUntil(() -> {}, new WaitableRace<>(asList(context().pause(), (Waitable<JsonElement>) waitableClosedOrCrashed)));
-    } finally {
-      browserContext.setDefaultNavigationTimeout(defaultNavigationTimeout);
-      browserContext.setDefaultTimeout(defaultTimeout);
-    }
+    withLogging("Page.pause", () -> {
+      Double defaultNavigationTimeout = browserContext.timeoutSettings.defaultNavigationTimeout();
+      Double defaultTimeout = browserContext.timeoutSettings.defaultTimeout();
+      browserContext.setDefaultNavigationTimeoutImpl(0.0);
+      browserContext.setDefaultTimeoutImpl(0.0);
+      try {
+        runUntil(() -> {}, new WaitableRace<>(asList(context().pause(), (Waitable<JsonElement>) waitableClosedOrCrashed)));
+      } finally {
+        browserContext.setDefaultNavigationTimeoutImpl(defaultNavigationTimeout);
+        browserContext.setDefaultTimeoutImpl(defaultTimeout);
+      }
+    });
  }

  @Override
  public byte[] pdf(PdfOptions options) {
-    return pdfImpl(options);
+    return withLogging("Page.pdf", () -> pdfImpl(options));
  }

  private byte[] pdfImpl(PdfOptions options) {
@@ -1031,7 +1067,7 @@ public class PageImpl extends ChannelOwner implements Page {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.remove("path");
-    JsonObject json = sendMessage("pdf", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject json = sendMessage("pdf", params).getAsJsonObject();
    byte[] buffer = Base64.getDecoder().decode(json.get("pdf").getAsString());
    if (options.path != null) {
      Utils.writeToFile(buffer, options.path);
@@ -1041,12 +1077,13 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public void press(String selector, String key, PressOptions options) {
-    mainFrame.pressImpl(selector, key, convertType(options, Frame.PressOptions.class));
+    withLogging("Page.press",
+      () -> mainFrame.pressImpl(selector, key, convertType(options, Frame.PressOptions.class)));
  }

  @Override
  public Response reload(ReloadOptions options) {
-    return reloadImpl(options);
+    return withLogging("Page.reload", () -> reloadImpl(options));
  }

  @Override
@@ -1059,7 +1096,7 @@ public class PageImpl extends ChannelOwner implements Page {
      options = new ReloadOptions();
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
-    JsonObject json = sendMessage("reload", params, timeoutSettings.navigationTimeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("reload", params).getAsJsonObject();
    if (json.has("response")) {
      return connection.getExistingObject(json.getAsJsonObject("response").get("guid").getAsString());
    }
@@ -1068,7 +1105,7 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public void route(String url, Consumer<Route> handler, RouteOptions options) {
-    route(UrlMatcher.forGlob(browserContext.baseUrl(), url, this.connection.localUtils, false), handler, options);
+    route(UrlMatcher.forGlob(browserContext.baseUrl, url, this.connection.localUtils, false), handler, options);
  }

  @Override
@@ -1087,23 +1124,25 @@ public class PageImpl extends ChannelOwner implements Page {
      options = new RouteFromHAROptions();
    }
    if (options.update != null && options.update) {
-      browserContext.recordIntoHar(this, har, convertType(options, BrowserContext.RouteFromHAROptions.class), null);
+      browserContext.recordIntoHar(this, har, convertType(options, BrowserContext.RouteFromHAROptions.class));
      return;
    }
-    UrlMatcher matcher = UrlMatcher.forOneOf(browserContext.baseUrl(), options.url, this.connection.localUtils, false);
+    UrlMatcher matcher = UrlMatcher.forOneOf(browserContext.baseUrl, options.url, this.connection.localUtils, false);
    HARRouter harRouter = new HARRouter(connection.localUtils, har, options.notFound);
    onClose(context -> harRouter.dispose());
    route(matcher, route -> harRouter.handle(route), null);
  }

  private void route(UrlMatcher matcher, Consumer<Route> handler, RouteOptions options) {
-    routes.add(matcher, handler, options == null ? null : options.times);
-    updateInterceptionPatterns();
+    withLogging("Page.route", () -> {
+      routes.add(matcher, handler, options == null ? null : options.times);
+      updateInterceptionPatterns();
+    });
  }

    @Override
  public void routeWebSocket(String url, Consumer<WebSocketRoute> handler) {
-    routeWebSocketImpl(UrlMatcher.forGlob(browserContext.baseUrl(), url, this.connection.localUtils, true), handler);
+    routeWebSocketImpl(UrlMatcher.forGlob(browserContext.baseUrl, url, this.connection.localUtils, true), handler);
  }

  @Override
@@ -1117,13 +1156,15 @@ public class PageImpl extends ChannelOwner implements Page {
  }

  private void routeWebSocketImpl(UrlMatcher matcher, Consumer<WebSocketRoute> handler) {
-    webSocketRoutes.add(matcher, handler);
-    updateWebSocketInterceptionPatterns();
+    withLogging("Page.routeWebSocket", () -> {
+      webSocketRoutes.add(matcher, handler);
+      updateWebSocketInterceptionPatterns();
+    });
  }

  @Override
  public byte[] screenshot(ScreenshotOptions options) {
-    return screenshotImpl(options);
+    return withLogging("Page.screenshot", () -> screenshotImpl(options));
  }

  @Override
@@ -1140,7 +1181,8 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public List<String> selectOption(String selector, String[] values, SelectOptionOptions options) {
-    return mainFrame.selectOptionImpl(selector, values, convertType(options, Frame.SelectOptionOptions.class));
+    return withLogging("Page.selectOption",
+      () -> mainFrame.selectOptionImpl(selector, values, convertType(options, Frame.SelectOptionOptions.class)));
  }

  @Override
@@ -1178,7 +1220,7 @@ public class PageImpl extends ChannelOwner implements Page {
      }
      params.add("mask", maskArray);
    }
-    JsonObject json = sendMessage("screenshot", params, timeoutSettings.timeout(options.timeout)).getAsJsonObject();
+    JsonObject json = sendMessage("screenshot", params).getAsJsonObject();

    byte[] buffer = Base64.getDecoder().decode(json.get("binary").getAsString());
    if (options.path != null) {
@@ -1189,46 +1231,62 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public List<String> selectOption(String selector, SelectOption[] values, SelectOptionOptions options) {
-    return mainFrame.selectOptionImpl(selector, values, convertType(options, Frame.SelectOptionOptions.class));
+    return withLogging("Page.selectOption",
+      () -> mainFrame.selectOptionImpl(selector, values, convertType(options, Frame.SelectOptionOptions.class)));
  }

  @Override
  public List<String> selectOption(String selector, ElementHandle[] values, SelectOptionOptions options) {
-    return mainFrame.selectOptionImpl(selector, values, convertType(options, Frame.SelectOptionOptions.class));
+    return withLogging("Page.selectOption",
+      () -> mainFrame.selectOptionImpl(selector, values, convertType(options, Frame.SelectOptionOptions.class)));
  }

  @Override
  public void setChecked(String selector, boolean checked, SetCheckedOptions options) {
-    mainFrame.setCheckedImpl(selector, checked, convertType(options, Frame.SetCheckedOptions.class));
+    withLogging("Page.setChecked",
+      () -> mainFrame.setCheckedImpl(selector, checked, convertType(options, Frame.SetCheckedOptions.class)));
  }

  @Override
  public void setContent(String html, SetContentOptions options) {
-    mainFrame.setContent(html, convertType(options, Frame.SetContentOptions.class));
+    withLogging("Page.setContent",
+      () -> mainFrame.setContentImpl(html, convertType(options, Frame.SetContentOptions.class)));
  }

  @Override
  public void setDefaultNavigationTimeout(double timeout) {
-    timeoutSettings.setDefaultNavigationTimeout(timeout);
+    withLogging("Page.setDefaultNavigationTimeout", () -> {
+      timeoutSettings.setDefaultNavigationTimeout(timeout);
+      JsonObject params = new JsonObject();
+      params.addProperty("timeout", timeout);
+      sendMessage("setDefaultNavigationTimeoutNoReply", params);
+    });
  }

  @Override
  public void setDefaultTimeout(double timeout) {
-    timeoutSettings.setDefaultTimeout(timeout);
+    withLogging("Page.setDefaultTimeout", () -> {
+      timeoutSettings.setDefaultTimeout(timeout);
+      JsonObject params = new JsonObject();
+      params.addProperty("timeout", timeout);
+      sendMessage("setDefaultTimeoutNoReply", params);
+    });
  }

  @Override
  public void setExtraHTTPHeaders(Map<String, String> headers) {
-    JsonObject params = new JsonObject();
-    JsonArray jsonHeaders = new JsonArray();
-    for (Map.Entry<String, String> e : headers.entrySet()) {
-      JsonObject header = new JsonObject();
-      header.addProperty("name", e.getKey());
-      header.addProperty("value", e.getValue());
-      jsonHeaders.add(header);
-    }
-    params.add("headers", jsonHeaders);
-    sendMessage("setExtraHTTPHeaders", params, NO_TIMEOUT);
+    withLogging("Page.setExtraHTTPHeaders", () -> {
+      JsonObject params = new JsonObject();
+      JsonArray jsonHeaders = new JsonArray();
+      for (Map.Entry<String, String> e : headers.entrySet()) {
+        JsonObject header = new JsonObject();
+        header.addProperty("name", e.getKey());
+        header.addProperty("value", e.getValue());
+        jsonHeaders.add(header);
+      }
+      params.add("headers", jsonHeaders);
+      sendMessage("setExtraHTTPHeaders", params);
+    });
  }

  @Override
@@ -1238,7 +1296,8 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public void setInputFiles(String selector, Path[] files, SetInputFilesOptions options) {
-    mainFrame.setInputFilesImpl(selector, files, convertType(options, Frame.SetInputFilesOptions.class));
+    withLogging("Page.setInputFiles",
+      () -> mainFrame.setInputFilesImpl(selector, files, convertType(options, Frame.SetInputFilesOptions.class)));
  }

  @Override
@@ -1248,30 +1307,35 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public void setInputFiles(String selector, FilePayload[] files, SetInputFilesOptions options) {
-    mainFrame.setInputFilesImpl(selector, files, convertType(options, Frame.SetInputFilesOptions.class));
+    withLogging("Page.setInputFiles",
+      () -> mainFrame.setInputFilesImpl(selector, files, convertType(options, Frame.SetInputFilesOptions.class)));
  }

  @Override
  public void setViewportSize(int width, int height) {
-    viewport = new ViewportSize(width, height);
-    JsonObject params = new JsonObject();
-    params.add("viewportSize", gson().toJsonTree(viewport));
-    sendMessage("setViewportSize", params, NO_TIMEOUT);
+    withLogging("Page.setViewportSize", () -> {
+      viewport = new ViewportSize(width, height);
+      JsonObject params = new JsonObject();
+      params.add("viewportSize", gson().toJsonTree(viewport));
+      sendMessage("setViewportSize", params);
+    });
  }

  @Override
  public void tap(String selector, TapOptions options) {
-    mainFrame.tap(selector, convertType(options, Frame.TapOptions.class));
+    withLogging("Page.tap",
+      () -> mainFrame.tapImpl(selector, convertType(options, Frame.TapOptions.class)));
  }

  @Override
  public String textContent(String selector, TextContentOptions options) {
-    return mainFrame.textContent(selector, convertType(options, Frame.TextContentOptions.class));
+    return withLogging("Page.textContent",
+      () -> mainFrame.textContentImpl(selector, convertType(options, Frame.TextContentOptions.class)));
  }

  @Override
  public String title() {
-    return mainFrame.title();
+    return withLogging("Page.title", () -> mainFrame.titleImpl());
  }

  @Override
@@ -1281,23 +1345,27 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public void type(String selector, String text, TypeOptions options) {
-    mainFrame.type(selector, text, convertType(options, Frame.TypeOptions.class));
+    withLogging("Page.type",
+      () -> mainFrame.typeImpl(selector, text, convertType(options, Frame.TypeOptions.class)));
  }

  @Override
  public void uncheck(String selector, UncheckOptions options) {
-    mainFrame.uncheck(selector, convertType(options, Frame.UncheckOptions.class));
+    withLogging("Page.uncheck",
+      () -> mainFrame.uncheckImpl(selector, convertType(options, Frame.UncheckOptions.class)));
  }

  @Override
  public void unrouteAll() {
-    routes.removeAll();
-    updateInterceptionPatterns();
+    withLogging("Page.unrouteAll", () -> {
+      routes.removeAll();
+      updateInterceptionPatterns();
+    });
  }

  @Override
  public void unroute(String url, Consumer<Route> handler) {
-    unroute(UrlMatcher.forGlob(browserContext.baseUrl(), url, this.connection.localUtils, false), handler);
+    unroute(UrlMatcher.forGlob(browserContext.baseUrl, url, this.connection.localUtils, false), handler);
  }

  @Override
@@ -1311,16 +1379,18 @@ public class PageImpl extends ChannelOwner implements Page {
  }

  private void unroute(UrlMatcher matcher, Consumer<Route> handler) {
-    routes.remove(matcher, handler);
-    updateInterceptionPatterns();
+    withLogging("Page.unroute", () -> {
+      routes.remove(matcher, handler);
+      updateInterceptionPatterns();
+    });
  }

  private void updateInterceptionPatterns() {
-    sendMessage("setNetworkInterceptionPatterns", routes.interceptionPatterns(), NO_TIMEOUT);
+    sendMessage("setNetworkInterceptionPatterns", routes.interceptionPatterns());
  }

  private void updateWebSocketInterceptionPatterns() {
-    sendMessage("setWebSocketInterceptionPatterns", webSocketRoutes.interceptionPatterns(), NO_TIMEOUT);
+    sendMessage("setWebSocketInterceptionPatterns", webSocketRoutes.interceptionPatterns());
  }

  @Override
@@ -1341,7 +1411,7 @@ public class PageImpl extends ChannelOwner implements Page {
    // Note: we are creating Video object lazily, because we do not know
    // BrowserContextOptions when constructing the page - it is assigned
    // too late during launchPersistentContext.
-    if (browserContext.videosDir() == null) {
+    if (browserContext.videosDir == null) {
      return null;
    }
    return forceVideo();
@@ -1362,7 +1432,8 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public JSHandle waitForFunction(String pageFunction, Object arg, WaitForFunctionOptions options) {
-    return mainFrame.waitForFunction(pageFunction, arg, convertType(options, Frame.WaitForFunctionOptions.class));
+    return withLogging("Page.waitForFunction",
+      () -> mainFrame.waitForFunctionImpl(pageFunction, arg, convertType(options, Frame.WaitForFunctionOptions.class)));
  }

  @Override
@@ -1437,7 +1508,7 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public Request waitForRequest(String urlGlob, WaitForRequestOptions options, Runnable code) {
-    return waitForRequest(UrlMatcher.forGlob(browserContext.baseUrl(), urlGlob, this.connection.localUtils, false), null, options, code);
+    return waitForRequest(UrlMatcher.forGlob(browserContext.baseUrl, urlGlob, this.connection.localUtils, false), null, options, code);
  }

  @Override
@@ -1482,7 +1553,7 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public Response waitForResponse(String urlGlob, WaitForResponseOptions options, Runnable code) {
-    return waitForResponse(UrlMatcher.forGlob(browserContext.baseUrl(), urlGlob, this.connection.localUtils, false), null, options, code);
+    return waitForResponse(UrlMatcher.forGlob(browserContext.baseUrl, urlGlob, this.connection.localUtils, false), null, options, code);
  }

  @Override
@@ -1515,7 +1586,8 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public ElementHandle waitForSelector(String selector, WaitForSelectorOptions options) {
-    return mainFrame.waitForSelector(selector, convertType(options, Frame.WaitForSelectorOptions.class));
+    return withLogging("Page.waitForSelector",
+      () -> mainFrame.waitForSelectorImpl(selector, convertType(options, Frame.WaitForSelectorOptions.class)));
  }

  @Override
@@ -1529,12 +1601,12 @@ public class PageImpl extends ChannelOwner implements Page {

  @Override
  public void waitForTimeout(double timeout) {
-    mainFrame.waitForTimeout(timeout);
+    withLogging("Page.waitForTimeout", () -> mainFrame.waitForTimeoutImpl(timeout));
  }

  @Override
  public void waitForURL(String url, WaitForURLOptions options) {
-    waitForURL(UrlMatcher.forGlob(browserContext.baseUrl(), url, this.connection.localUtils, false), options);
+    waitForURL(UrlMatcher.forGlob(browserContext.baseUrl, url, this.connection.localUtils, false), options);
  }

  @Override
@@ -52,6 +52,7 @@ public class PlaywrightImpl extends ChannelOwner implements Playwright {
      Connection connection = new Connection(new PipeTransport(p.getInputStream(), p.getOutputStream()), env);
      PlaywrightImpl result = connection.initializePlaywright();
      result.driverProcess = p;
+      result.initSharedSelectors(null);
      return result;
    } catch (IOException e) {
      throw new PlaywrightException("Failed to launch driver", e);
@@ -61,8 +62,9 @@ public class PlaywrightImpl extends ChannelOwner implements Playwright {
  private final BrowserTypeImpl chromium;
  private final BrowserTypeImpl firefox;
  private final BrowserTypeImpl webkit;
+  private final SelectorsImpl selectors;
  private final APIRequestImpl apiRequest;
-  protected SelectorsImpl selectors;
+  private SharedSelectors sharedSelectors;

  PlaywrightImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
@@ -70,14 +72,24 @@ public class PlaywrightImpl extends ChannelOwner implements Playwright {
    firefox = parent.connection.getExistingObject(initializer.getAsJsonObject("firefox").get("guid").getAsString());
    webkit = parent.connection.getExistingObject(initializer.getAsJsonObject("webkit").get("guid").getAsString());

-    chromium.playwright = this;
-    firefox.playwright = this;
-    webkit.playwright = this;
-
-    selectors = new SelectorsImpl();
+    selectors = connection.getExistingObject(initializer.getAsJsonObject("selectors").get("guid").getAsString());
    apiRequest = new APIRequestImpl(this);
  }

+  void initSharedSelectors(PlaywrightImpl parent) {
+    assert sharedSelectors == null;
+    if (parent == null) {
+      sharedSelectors = new SharedSelectors();
+    } else {
+      sharedSelectors = parent.sharedSelectors;
+    }
+    sharedSelectors.addChannel(selectors);
+  }
+
+  void unregisterSelectors() {
+    sharedSelectors.removeChannel(selectors);
+  }
+
  public LocalUtils localUtils() {
    return connection.localUtils;
  }
@@ -108,7 +120,7 @@ public class PlaywrightImpl extends ChannelOwner implements Playwright {

  @Override
  public Selectors selectors() {
-    return selectors;
+    return sharedSelectors;
  }

  @Override
@@ -14,6 +14,8 @@
 * limitations under the License.
 */

+// This file is generated by generate_java_rpc.js, do not edit manually.
+
 package com.microsoft.playwright.impl;

 import java.util.List;
@@ -103,7 +105,6 @@ class ExpectedTextValue {
 class FrameExpectOptions {
  Object expressionArg;
  List<ExpectedTextValue> expectedText;
-  String selector;
  Double expectedNumber;
  SerializedArgument expectedValue;
  Boolean useInnerText;
@@ -26,4 +26,8 @@ public class RemoteBrowser extends ChannelOwner {
  BrowserImpl browser() {
    return connection.getExistingObject(initializer.getAsJsonObject("browser").get("guid").getAsString());
  }
+
+  SelectorsImpl selectors() {
+    return connection.getExistingObject(initializer.getAsJsonObject("selectors").get("guid").getAsString());
+  }
 }
@@ -53,6 +53,7 @@ public class RequestImpl extends ChannelOwner implements Request {

  RequestImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
+    markAsInternalType();

    if (initializer.has("redirectedFrom")) {
      redirectedFrom = connection.getExistingObject(initializer.getAsJsonObject("redirectedFrom").get("guid").getAsString());
@@ -68,7 +69,7 @@ public class RequestImpl extends ChannelOwner implements Request {

  @Override
  public Map<String, String> allHeaders() {
-    return getRawHeaders().headers();
+    return withLogging("Request.allHeaders", () -> getRawHeaders().headers());
  }

  @Override
@@ -97,12 +98,12 @@ public class RequestImpl extends ChannelOwner implements Request {

  @Override
  public List<HttpHeader> headersArray() {
-    return getRawHeaders().headersArray();
+    return withLogging("Request.headersArray", () -> getRawHeaders().headersArray());
  }

  @Override
  public String headerValue(String name) {
-    return getRawHeaders().get(name);
+    return withLogging("Request.headerValue", () -> getRawHeaders().get(name));
  }

  @Override
@@ -152,21 +153,25 @@ public class RequestImpl extends ChannelOwner implements Request {

  @Override
  public ResponseImpl response() {
-    JsonObject result = sendMessage("response").getAsJsonObject();
-    if (!result.has("response")) {
-      return null;
-    }
-    return connection.getExistingObject(result.getAsJsonObject("response").get("guid").getAsString());
+    return withLogging("Request.response", () -> {
+      JsonObject result = sendMessage("response").getAsJsonObject();
+      if (!result.has("response")) {
+        return null;
+      }
+      return connection.getExistingObject(result.getAsJsonObject("response").get("guid").getAsString());
+    });
  }

  @Override
  public Sizes sizes() {
-    ResponseImpl response = response();
-    if (response == null) {
-      throw new PlaywrightException("Unable to fetch sizes for failed request");
-    }
-    JsonObject json = response.sendMessage("sizes").getAsJsonObject();
-    return gson().fromJson(json.getAsJsonObject("sizes"), Sizes.class);
+    return withLogging("Request.sizes", () -> {
+      ResponseImpl response = response();
+      if (response == null) {
+        throw new PlaywrightException("Unable to fetch sizes for failed request");
+      }
+      JsonObject json = response.sendMessage("sizes").getAsJsonObject();
+      return gson().fromJson(json.getAsJsonObject("sizes"), Sizes.class);
+    });
  }

  @Override
@@ -193,8 +198,10 @@ public class RequestImpl extends ChannelOwner implements Request {
    if (rawHeaders != null) {
      return rawHeaders;
    }
-    JsonObject result = sendMessage("rawRequestHeaders").getAsJsonObject();
-    JsonArray rawHeadersJson = result.getAsJsonArray("headers");
+    JsonArray rawHeadersJson = withLogging("Request.allHeaders", () -> {
+      JsonObject result = sendMessage("rawRequestHeaders").getAsJsonObject();
+      return result.getAsJsonArray("headers");
+    });

    // The field may have been initialized in a nested call but it is ok.
    rawHeaders = new RawHeaders(asList(gson().fromJson(rawHeadersJson, HttpHeader[].class)));
@@ -40,6 +40,7 @@ public class ResponseImpl extends ChannelOwner implements Response {

  ResponseImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
+    markAsInternalType();
    headers = new RawHeaders(asList(gson().fromJson(initializer.getAsJsonArray("headers"), HttpHeader[].class)));
    request = connection.getExistingObject(initializer.getAsJsonObject("request").get("guid").getAsString());
    request.timing = gson().fromJson(initializer.get("timing"), Timing.class);
@@ -47,13 +48,15 @@ public class ResponseImpl extends ChannelOwner implements Response {

  @Override
  public Map<String, String> allHeaders() {
-    return getRawHeaders().headers();
+    return withLogging("Response.allHeaders", () -> getRawHeaders().headers());
  }

  @Override
  public byte[] body() {
-    JsonObject json = sendMessage("body").getAsJsonObject();
-    return Base64.getDecoder().decode(json.get("binary").getAsString());
+    return withLogging("Response.body", () -> {
+      JsonObject json = sendMessage("body").getAsJsonObject();
+      return Base64.getDecoder().decode(json.get("binary").getAsString());
+    });
  }

  @Override
@@ -93,7 +96,7 @@ public class ResponseImpl extends ChannelOwner implements Response {

  @Override
  public List<HttpHeader> headersArray() {
-    return getRawHeaders().headersArray();
+    return withLogging("Response.headersArray", () -> getRawHeaders().headersArray());
  }

  @Override
@@ -118,20 +121,24 @@ public class ResponseImpl extends ChannelOwner implements Response {

  @Override
  public SecurityDetails securityDetails() {
-    JsonObject json = sendMessage("securityDetails").getAsJsonObject();
-    if (json.has("value")) {
-      return gson().fromJson(json.get("value"), SecurityDetails.class);
-    }
-    return null;
+    return withLogging("Response.securityDetails", () -> {
+      JsonObject json = sendMessage("securityDetails").getAsJsonObject();
+      if (json.has("value")) {
+        return gson().fromJson(json.get("value"), SecurityDetails.class);
+      }
+      return null;
+    });
  }

  @Override
  public ServerAddr serverAddr() {
-    JsonObject json = sendMessage("serverAddr").getAsJsonObject();
-    if (json.has("value")) {
-      return gson().fromJson(json.get("value"), ServerAddr.class);
-    }
-    return null;
+    return withLogging("Response.serverAddr", () -> {
+      JsonObject json = sendMessage("serverAddr").getAsJsonObject();
+      if (json.has("value")) {
+        return gson().fromJson(json.get("value"), ServerAddr.class);
+      }
+      return null;
+    });
  }

  @Override
@@ -38,15 +38,18 @@ public class RouteImpl extends ChannelOwner implements Route {

  public RouteImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
+    markAsInternalType();
    request = connection.getExistingObject(initializer.getAsJsonObject("request").get("guid").getAsString());
  }

  @Override
  public void abort(String errorCode) {
    startHandling();
-    JsonObject params = new JsonObject();
-    params.addProperty("errorCode", errorCode);
-    sendMessageAsync("abort", params);
+    withLogging("Route.abort", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("errorCode", errorCode);
+      sendMessageAsync("abort", params);
+    });
  }

  boolean isHandled() {
@@ -61,7 +64,7 @@ public class RouteImpl extends ChannelOwner implements Route {
  void resume(ResumeOptions options, boolean isFallback) {
    startHandling();
    applyOverrides(convertType(options, FallbackOptions.class));
-    resumeImpl(request().fallbackOverridesForResume(), isFallback);
+    withLogging("Route.resume", () -> resumeImpl(request().fallbackOverridesForResume(), isFallback));
  }

  @Override
@@ -149,7 +152,7 @@ public class RouteImpl extends ChannelOwner implements Route {
  @Override
  public void fulfill(FulfillOptions options) {
    startHandling();
-    fulfillImpl(options);
+    withLogging("Route.fulfill", () -> fulfillImpl(options));
  }

  private void fulfillImpl(FulfillOptions options) {
@@ -17,72 +17,28 @@
 package com.microsoft.playwright.impl;

 import com.google.gson.JsonObject;
-import com.microsoft.playwright.PlaywrightException;
 import com.microsoft.playwright.Selectors;

-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.ArrayList;
-import java.util.List;
+import static com.microsoft.playwright.impl.Serialization.gson;

-import static com.microsoft.playwright.impl.ChannelOwner.NO_TIMEOUT;
-import static java.nio.charset.StandardCharsets.UTF_8;
-
-public class SelectorsImpl extends LoggingSupport implements Selectors {
-  protected final List<BrowserContextImpl> contextsForSelectors = new ArrayList<>();
-  protected final List<JsonObject> selectorEngines = new ArrayList<>();
-
-  String testIdAttributeName = "data-testid";
-
-  @Override
-  public void setTestIdAttribute(String attributeName) {
-    if (attributeName == null) {
-      throw new PlaywrightException("Test id attribute cannot be null");
-    }
-    testIdAttributeName = attributeName;
-    for (BrowserContextImpl context : contextsForSelectors) {
-      try {
-        JsonObject params = new JsonObject();
-        params.addProperty("testIdAttributeName", attributeName);
-        context.sendMessageAsync("setTestIdAttributeName", params);
-      } catch (PlaywrightException e) {
-      }
-    }
+class SelectorsImpl extends ChannelOwner {
+  SelectorsImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
+    super(parent, type, guid, initializer);
  }

-  @Override
-  public void register(String name, String script, RegisterOptions options) {
-    registerImpl(name, script, options);
+  void register(String name, String script, Selectors.RegisterOptions options) {
+    if (options == null) {
+      options = new Selectors.RegisterOptions();
+    }
+    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
+    params.addProperty("name", name);
+    params.addProperty("source", script);
+    sendMessage("register", params);
  }

-  @Override
-  public void register(String name, Path path, RegisterOptions options) {
-    byte[] buffer;
-    try {
-      buffer = Files.readAllBytes(path);
-    } catch (IOException e) {
-      throw new PlaywrightException("Failed to read selector from file: " + path, e);
-    }
-    registerImpl(name, new String(buffer, UTF_8), options);
-  }
-
-  private void registerImpl(String name, String script, RegisterOptions options) {
-    if (selectorEngines.stream().anyMatch(engine -> name.equals(engine.get("name").getAsString()))) {
-      throw new PlaywrightException("selectors.register: \"" + name + "\" selector engine has been already registered");
-    }
-
-    JsonObject engine = new JsonObject();
-    engine.addProperty("name", name);
-    engine.addProperty("source", script);
-    if (options != null && options.contentScript != null) {
-      engine.addProperty("contentScript", options.contentScript);
-    }
-    for (BrowserContextImpl context : contextsForSelectors) {
-      JsonObject params = new JsonObject();
-      params.add("selectorEngine", engine);
-      context.sendMessage("registerSelectorEngine", params, NO_TIMEOUT);
-    }
-    selectorEngines.add(engine);
+  void setTestIdAttributeName(String name) {
+    JsonObject params = new JsonObject();
+    params.addProperty("testIdAttributeName", name);
+    sendMessageAsync("setTestIdAttributeName", params);
  }
 }
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.microsoft.playwright.impl;
+
+import com.microsoft.playwright.PlaywrightException;
+import com.microsoft.playwright.Selectors;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+public class SharedSelectors extends LoggingSupport implements Selectors {
+  private final List<SelectorsImpl> channels = new ArrayList<>();
+  private final List<Registration> registrations = new ArrayList<>();
+
+  String testIdAttributeName = "data-testid";
+
+  private static class Registration {
+    final String name;
+    final String script;
+    final RegisterOptions options;
+
+    Registration(String name, String script, RegisterOptions options) {
+      this.name = name;
+      this.script = script;
+      this.options = options;
+    }
+  }
+
+  @Override
+  public void register(String name, String script, RegisterOptions options) {
+    withLogging("Selectors.register", () -> registerImpl(name, script, options));
+  }
+
+  @Override
+  public void register(String name, Path path, RegisterOptions options) {
+    withLogging("Selectors.register", () -> {
+      byte[] buffer;
+      try {
+        buffer = Files.readAllBytes(path);
+      } catch (IOException e) {
+        throw new PlaywrightException("Failed to read selector from file: " + path, e);
+      }
+      registerImpl(name, new String(buffer, UTF_8), options);
+    });
+  }
+
+  @Override
+  public void setTestIdAttribute(String attributeName) {
+    if (attributeName == null) {
+      throw new PlaywrightException("Test id attribute cannot be null");
+    }
+    testIdAttributeName = attributeName;
+    channels.forEach(channel -> channel.setTestIdAttributeName(testIdAttributeName));
+  }
+
+  void addChannel(SelectorsImpl channel) {
+    registrations.forEach(r -> {
+      try {
+        channel.register(r.name, r.script, r.options);
+      } catch (PlaywrightException e) {
+        // This should not fail except for connection closure, but just in case we catch.
+      }
+      channel.setTestIdAttributeName(testIdAttributeName);
+    });
+    channels.add(channel);
+  }
+
+  void removeChannel(SelectorsImpl channel) {
+    channels.remove(channel);
+  }
+
+  private void registerImpl(String name, String script, RegisterOptions options) {
+    channels.forEach(impl -> impl.register(name, script, options));
+    registrations.add(new Registration(name, script, options));
+  }
+}
@@ -50,7 +50,7 @@ public class Stream extends ChannelOwner {
      }
      JsonObject params = new JsonObject();
      params.addProperty("size", len);
-      JsonObject json = sendMessage("read", params, NO_TIMEOUT).getAsJsonObject();
+      JsonObject json = sendMessage("read", params).getAsJsonObject();
      String encoded = json.get("binary").getAsString();
      if (encoded.isEmpty()) {
        return -1;
@@ -18,7 +18,6 @@ package com.microsoft.playwright.impl;

 class TimeoutSettings {
  private static final int DEFAULT_TIMEOUT_MS = 30_000;
-  private static final int DEFAULT_LAUNCH_TIMEOUT_MS = 180_000;

  private final TimeoutSettings parent;
  private Double defaultTimeout ;
@@ -81,11 +80,4 @@ class TimeoutSettings {
    }
    return new WaitableTimeout<>(timeout(timeout));
  }
-
-  static double launchTimeout(Double timeout) {
-    if (timeout != null) {
-      return timeout;
-    }
-    return DEFAULT_LAUNCH_TIMEOUT_MS;
-  }
 }
@@ -19,8 +19,6 @@ package com.microsoft.playwright.impl;
 import com.google.gson.JsonObject;
 import com.microsoft.playwright.Touchscreen;

-import static com.microsoft.playwright.impl.ChannelOwner.NO_TIMEOUT;
-
 class TouchscreenImpl implements Touchscreen {
  private final PageImpl page;

@@ -30,9 +28,11 @@ class TouchscreenImpl implements Touchscreen {

  @Override
  public void tap(double x, double y) {
-    JsonObject params = new JsonObject();
-    params.addProperty("x", x);
-    params.addProperty("y", y);
-    page.sendMessage("touchscreenTap", params, NO_TIMEOUT);
+    page.withLogging("Touchscreen.tap", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("x", x);
+      params.addProperty("y", y);
+      page.sendMessage("touchscreenTap", params);
+    });
  }
 }
@@ -33,6 +33,7 @@ class TracingImpl extends ChannelOwner implements Tracing {

  TracingImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
+    markAsInternalType();
  }

  private void stopChunkImpl(Path path) {
@@ -45,7 +46,7 @@ class TracingImpl extends ChannelOwner implements Tracing {
    // Not interested in artifacts.
    if (path == null) {
      params.addProperty("mode", "discard");
-      sendMessage("tracingStopChunk", params, NO_TIMEOUT);
+      sendMessage("tracingStopChunk", params);
      if (stacksId != null) {
        connection.localUtils().traceDiscarded(stacksId);
      }
@@ -55,14 +56,14 @@ class TracingImpl extends ChannelOwner implements Tracing {
    boolean isLocal = !connection.isRemote;
    if (isLocal) {
      params.addProperty("mode", "entries");
-      JsonObject json = sendMessage("tracingStopChunk", params, NO_TIMEOUT).getAsJsonObject();
+      JsonObject json = sendMessage("tracingStopChunk", params).getAsJsonObject();
      JsonArray entries = json.getAsJsonArray("entries");
      connection.localUtils.zip(path, entries, stacksId, false, includeSources);
      return;
    }

    params.addProperty("mode", "archive");
-    JsonObject json = sendMessage("tracingStopChunk", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject json = sendMessage("tracingStopChunk", params).getAsJsonObject();
    // The artifact may be missing if the browser closed while stopping tracing.
    if (!json.has("artifact")) {
      if (stacksId != null) {
@@ -87,7 +88,7 @@ class TracingImpl extends ChannelOwner implements Tracing {

  @Override
  public void group(String name, GroupOptions options) {
-    groupImpl(name, options);
+    withLogging("Tracing.group", () -> groupImpl(name, options));
  }

  private void groupImpl(String name, GroupOptions options) {
@@ -96,12 +97,12 @@ class TracingImpl extends ChannelOwner implements Tracing {
    }
    JsonObject params = gson().toJsonTree(options).getAsJsonObject();
    params.addProperty("name", name);
-    sendMessage("tracingGroup", params, NO_TIMEOUT);
+    sendMessage("tracingGroup", params);
  }

  @Override
  public void groupEnd() {
-    sendMessage("tracingGroupEnd");
+    withLogging("Tracing.groupEnd", () -> sendMessage("tracingGroupEnd"));
  }

  private void tracingStartChunk(String name, String title) {
@@ -112,7 +113,7 @@ class TracingImpl extends ChannelOwner implements Tracing {
    if (title != null) {
      params.addProperty("title", title);
    }
-    JsonObject result = sendMessage("tracingStartChunk", params, NO_TIMEOUT).getAsJsonObject();
+    JsonObject result = sendMessage("tracingStartChunk", params).getAsJsonObject();
    startCollectingStacks(result.get("traceName").getAsString());
  }

@@ -134,7 +135,7 @@ class TracingImpl extends ChannelOwner implements Tracing {
    if (includeSources) {
      params.addProperty("sources", true);
    }
-    sendMessage("tracingStart", params, NO_TIMEOUT);
+    sendMessage("tracingStart", params);
    tracingStartChunk(options.name, options.title);
  }

@@ -35,7 +35,6 @@ import java.util.*;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;

-import static com.microsoft.playwright.impl.ChannelOwner.NO_TIMEOUT;
 import static com.microsoft.playwright.impl.Serialization.toJsonArray;
 import static java.nio.file.Files.readAllBytes;

@@ -201,7 +200,7 @@ public class Utils {
      items.add(item);
    }
    tempFilesParams.add("items", items);
-    return context.sendMessage("createTempFiles", tempFilesParams, NO_TIMEOUT).getAsJsonObject();
+    return context.sendMessage("createTempFiles", tempFilesParams).getAsJsonObject();
  }

  static void checkFilePayloadSize(FilePayload[] files) {
@@ -30,6 +30,7 @@ class VideoImpl implements Video {

  VideoImpl(PageImpl page) {
    this.page = page;
+    BrowserImpl browser = page.context().browser();
  }

  void setArtifact(ArtifactImpl artifact) {
@@ -43,33 +44,39 @@ class VideoImpl implements Video {

  @Override
  public void delete() {
-    try {
-      waitForArtifact().delete();
-    } catch (PlaywrightException e) {
-    }
+    page.withLogging("Video.delete", () -> {
+      try {
+        waitForArtifact().delete();
+      } catch (PlaywrightException e) {
+      }
+    });
  }

  @Override
  public Path path() {
-    if (page.connection.isRemote) {
-      throw new PlaywrightException("Path is not available when using browserType.connect(). Use saveAs() to save a local copy.");
-    }
-    try {
-      return Paths.get(waitForArtifact().initializer.get("absolutePath").getAsString());
-    } catch (PlaywrightException e) {
-      throw new PlaywrightException("Page did not produce any video frames", e);
-    }
+    return page.withLogging("Video.path", () -> {
+      if (page.connection.isRemote) {
+        throw new PlaywrightException("Path is not available when using browserType.connect(). Use saveAs() to save a local copy.");
+      }
+      try {
+        return Paths.get(waitForArtifact().initializer.get("absolutePath").getAsString());
+      } catch (PlaywrightException e) {
+        throw new PlaywrightException("Page did not produce any video frames", e);
+      }
+    });
  }

  @Override
  public void saveAs(Path path) {
-    if (!page.isClosed()) {
-      throw new PlaywrightException("Page is not yet closed. Close the page prior to calling saveAs");
-    }
-    try {
-      waitForArtifact().saveAs(path);
-    } catch (PlaywrightException e) {
-      throw new PlaywrightException("Page did not produce any video frames", e);
-    }
+    page.withLogging("Video.saveAs", () -> {
+      if (!page.isClosed()) {
+        throw new PlaywrightException("Page is not yet closed. Close the page prior to calling saveAs");
+      }
+      try {
+        waitForArtifact().saveAs(path);
+      } catch (PlaywrightException e) {
+        throw new PlaywrightException("Page did not produce any video frames", e);
+      }
+    });
  }
 }
@@ -38,21 +38,23 @@ public class WaitForEventLogger<T> implements Supplier<T>, Logger {

  @Override
  public T get() {
-    {
+    return channel.withLogging(apiName, () -> {
+      {
+        JsonObject info = new JsonObject();
+        info.addProperty("phase", "before");
+        sendWaitForEventInfo(info);
+      }
      JsonObject info = new JsonObject();
-      info.addProperty("phase", "before");
-      sendWaitForEventInfo(info);
-    }
-    JsonObject info = new JsonObject();
-    info.addProperty("phase", "after");
-    try {
-      return supplier.apply(this);
-    } catch (RuntimeException e) {
-      info.addProperty("error", e.getMessage());
-      throw e;
-    } finally {
-      sendWaitForEventInfo(info);
-    }
+      info.addProperty("phase", "after");
+      try {
+        return supplier.apply(this);
+      } catch (RuntimeException e) {
+        info.addProperty("error", e.getMessage());
+        throw e;
+      } finally {
+        sendWaitForEventInfo(info);
+      }
+    });
  }

  @Override
@@ -69,6 +69,7 @@ class WebSocketRouteImpl extends ChannelOwner implements WebSocketRoute {

  WebSocketRouteImpl(ChannelOwner parent, String type, String guid, JsonObject initializer) {
    super(parent, type, guid, initializer);
+    markAsInternalType();
  }

    @Override
@@ -128,11 +129,7 @@ class WebSocketRouteImpl extends ChannelOwner implements WebSocketRoute {
      return;
    }
    // Ensure that websocket is "open" and can send messages without an actual server connection.
-    try {
-      sendMessageAsync("ensureOpened");
-    } catch (PlaywrightException e) {
-      // If this happens after the page has been closed, ignore the error.
-    }
+    sendMessageAsync("ensureOpened");
  }

  @Override
@@ -71,21 +71,25 @@ class WorkerImpl extends ChannelOwner implements Worker {

  @Override
  public Object evaluate(String pageFunction, Object arg) {
-    JsonObject params = new JsonObject();
-    params.addProperty("expression", pageFunction);
-    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evaluateExpression", params, NO_TIMEOUT);
-    SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
-    return deserialize(value);
+    return withLogging("Worker.evaluate", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("expression", pageFunction);
+      params.add("arg", gson().toJsonTree(serializeArgument(arg)));
+      JsonElement json = sendMessage("evaluateExpression", params);
+      SerializedValue value = gson().fromJson(json.getAsJsonObject().get("value"), SerializedValue.class);
+      return deserialize(value);
+    });
  }

  @Override
  public JSHandle evaluateHandle(String pageFunction, Object arg) {
-    JsonObject params = new JsonObject();
-    params.addProperty("expression", pageFunction);
-    params.add("arg", gson().toJsonTree(serializeArgument(arg)));
-    JsonElement json = sendMessage("evaluateExpressionHandle", params, NO_TIMEOUT);
-    return connection.getExistingObject(json.getAsJsonObject().getAsJsonObject("handle").get("guid").getAsString());
+    return withLogging("Worker.evaluateHandle", () -> {
+      JsonObject params = new JsonObject();
+      params.addProperty("expression", pageFunction);
+      params.add("arg", gson().toJsonTree(serializeArgument(arg)));
+      JsonElement json = sendMessage("evaluateExpressionHandle", params);
+      return connection.getExistingObject(json.getAsJsonObject().getAsJsonObject("handle").get("guid").getAsString());
+    });
  }

  @Override
@@ -42,7 +42,7 @@ class WritableStream extends ChannelOwner {
        ByteBuffer buffer = ByteBuffer.wrap(b, off, len);
        ByteBuffer encoded = Base64.getEncoder().encode(buffer);
        params.addProperty("binary", new String(encoded.array(), StandardCharsets.UTF_8));
-        sendMessage("write", params, NO_TIMEOUT);
+        sendMessage("write", params);
      }

      @Override
@@ -48,12 +48,6 @@ public class Cookie {
   * Optional.
   */
  public SameSiteAttribute sameSite;
-  /**
-   * For partitioned third-party cookies (aka <a
-   * href="https://developer.mozilla.org/en-US/docs/Web/Privacy/Guides/Privacy_sandbox/Partitioned_cookies">CHIPS</a>), the
-   * partition key. Optional.
-   */
-  public String partitionKey;

  public Cookie(String name, String value) {
    this.name = name;
@@ -109,13 +103,4 @@ public class Cookie {
    this.sameSite = sameSite;
    return this;
  }
-  /**
-   * For partitioned third-party cookies (aka <a
-   * href="https://developer.mozilla.org/en-US/docs/Web/Privacy/Guides/Privacy_sandbox/Partitioned_cookies">CHIPS</a>), the
-   * partition key. Optional.
-   */
-  public Cookie setPartitionKey(String partitionKey) {
-    this.partitionKey = partitionKey;
-    return this;
-  }
 }
@@ -436,7 +436,7 @@ public class TestBrowserContextFetch extends TestBase {
    PlaywrightException e = assertThrows(PlaywrightException.class, () -> {
      context.request().get(server.PREFIX + "/slow", RequestOptions.create().setTimeout(100));
    });
-    assertTrue(e.getMessage().contains("Timeout 100ms exceeded"), e.getMessage());
+    assertTrue(e.getMessage().contains("Request timed out after 100ms"), e.getMessage());
  }

  @Test
@@ -468,7 +468,7 @@ public class TestBrowserContextFetch extends TestBase {

    context.setDefaultTimeout(100);
    PlaywrightException e = assertThrows(PlaywrightException.class, () -> context.request().get(server.PREFIX + "/redirect"));
-    assertTrue(e.getMessage().contains("Timeout 100ms exceeded"), e.getMessage());
+    assertTrue(e.getMessage().contains("Request timed out after 100ms"), e.getMessage());
  }

  @Test
@@ -16,6 +16,7 @@

 package com.microsoft.playwright;

+import com.microsoft.playwright.options.HarContentPolicy;
 import com.microsoft.playwright.options.HarMode;
 import com.microsoft.playwright.options.HarNotFound;
 import com.microsoft.playwright.options.RouteFromHarUpdateContentPolicy;
@@ -39,6 +40,7 @@ import static com.microsoft.playwright.Utils.copy;
 import static com.microsoft.playwright.Utils.extractZip;
 import static com.microsoft.playwright.assertions.PlaywrightAssertions.assertThat;
 import static com.microsoft.playwright.options.HarContentPolicy.ATTACH;
+import static com.microsoft.playwright.options.HarContentPolicy.EMBED;
 import static org.junit.jupiter.api.Assertions.*;

 public class TestBrowserContextHar extends TestBase {
@@ -174,19 +174,10 @@ public class TestBrowserContextStorageState extends TestBase {
  @Test
  void shouldSupportIndexedDB() {
    page.navigate(server.PREFIX + "/to-do-notifications/index.html");
-
-    assertThat(page.locator("#notifications")).matchesAriaSnapshot(
-      "    - list:\n" +
-      "      - listitem: Database initialised."
-    );
    page.locator("label:has-text('Task title')").fill("Pet the cat");
    page.locator("label:has-text('Hours')").fill("1");
    page.locator("label:has-text('Mins')").fill("1");
    page.locator("text=Add Task").click();
-    assertThat(page.locator("#notifications")).matchesAriaSnapshot(
-      "    - list:\n" +
-      "      - listitem: \"Transaction completed: database modification finished.\""
-    );

    String storageState = page.context().storageState(new BrowserContext.StorageStateOptions().setIndexedDB(true));
    assertJsonEquals("{\"cookies\":[],\"origins\":[\n" +
@@ -57,35 +57,18 @@ public class TestChromiumTracing extends TestBase {
    }
  }

-  private static void rafraf(Page page) {
-    int count = 2;
-    for (int i = 0; i < count; i++) {
-      page.evaluate("() => new Promise(f => requestAnimationFrame(() => requestAnimationFrame(f)))");
-    }
-  }
-
  @Test
  void shouldRunWithCustomCategoriesIfProvided(@TempDir Path tempDir) throws IOException {
    try (Page page = browser.newPage()) {
      Path outputTraceFile = tempDir.resolve("trace.json");
      browser.startTracing(page, new Browser.StartTracingOptions()
        .setPath(outputTraceFile)
-        .setCategories(asList("disabled-by-default-cc.debug")));
-      rafraf(page);
+        .setCategories(asList("disabled-by-default-v8.cpu_profiler.hires")));
      browser.stopTracing();
      try (FileReader fileReader = new FileReader(outputTraceFile.toFile())) {
        JsonObject traceJson = new Gson().fromJson(fileReader, JsonObject.class);
-        // NOTE: trace-config is deprecated as per http://crrev.com/c/6628182
-        boolean hasTraceConfig =
-              traceJson.getAsJsonObject("metadata").get("trace-config") != null
-          && traceJson.getAsJsonObject("metadata").get("trace-config").getAsString().contains("disabled-by-default-cc.debug");
-        boolean hasTraceEvents = traceJson.getAsJsonArray("traceEvents").asList().stream()
-            .anyMatch(event -> {
-              JsonObject eventObj = (JsonObject) event;
-              return eventObj.has("cat") &&
-                eventObj.get("cat").getAsString().equals("disabled-by-default-cc.debug");
-            });
-        assertTrue(hasTraceConfig || hasTraceEvents);
+        assertTrue(traceJson.getAsJsonObject("metadata").get("trace-config")
+          .getAsString().contains("disabled-by-default-v8.cpu_profiler.hires"));
      }
    }
  }
@@ -125,8 +125,8 @@ public class TestClientCertificates extends TestBase {
      .setIgnoreHTTPSErrors(true) // TODO: remove once we can pass a custom CA.
      .setClientCertificates(asList(
        new ClientCertificate(customServer.origin)
-          .setPfxPath(asset("client-certificates/client/trusted/keystore.p12"))
-          .setPassphrase("")));
+          .setPfxPath(asset("client-certificates/client/trusted/client_keystore.p12"))
+          .setPassphrase("passphrase")));

    APIRequestContext request = playwright.request().newContext(requestOptions);
    APIResponse response = request.get(customServer.url);
@@ -307,19 +307,4 @@ public class TestDefaultBrowserContext2 extends TestBase {
    assertTrue(Files.list(userDataDir).count() > 0);
    context.close();
  }
-
-  @Test
-  void shouldExposeBrowser() {
-    Page page = launchPersistent();
-    BrowserContext context = page.context();
-    Browser browser = context.browser();
-    assertFalse(browser.version().isEmpty());
-    Page page2 = browser.newPage();
-    page2.navigate("data:text/html,<html><title>Title</title></html>");
-    assertEquals("Title", page2.title());
-    browser.close();
-    assertEquals(0, context.pages().size());
-    // Next line should not throw.
-    context.close();
-  }
 }
@@ -189,7 +189,7 @@ public class TestGlobalFetch extends TestBase {
    APIRequestContext request = playwright.request().newContext(new APIRequest.NewContextOptions().setTimeout(100));
    server.setRoute("/empty.html", exchange -> {});
    PlaywrightException e = assertThrows(PlaywrightException.class, () -> request.get(server.EMPTY_PAGE));
-    assertTrue(e.getMessage().contains("Timeout 100ms exceeded"), e.getMessage());
+    assertTrue(e.getMessage().contains("Request timed out after 100ms"), e.getMessage());
  }


@@ -1070,7 +1070,7 @@ public class TestLocatorAssertions extends TestBase {
    Locator locator = page.locator("div");
    PlaywrightAssertions.setDefaultAssertionTimeout(1000);
    AssertionFailedError exception = assertThrows(AssertionFailedError.class, () -> assertThat(locator).hasText("foo"));
-    assertTrue(exception.getMessage().contains("Assert \"hasText\" with timeout 1000ms"), exception.getMessage());
+    assertTrue(exception.getMessage().contains("Locator.expect with timeout 1000ms"), exception.getMessage());
    // Restore default.
    PlaywrightAssertions.setDefaultAssertionTimeout(5_000);
  }
@@ -1119,7 +1119,7 @@ public class TestLocatorAssertions extends TestBase {
    AssertionFailedError e = assertThrows(AssertionFailedError.class, () -> {
      assertThat(page.locator("div")).containsClass("does-not-exist", new ContainsClassOptions().setTimeout(1000));
    });
-    assertTrue(e.getMessage().contains("Assert \"containsClass\" with timeout 1000ms"), e.getMessage());
+    assertTrue(e.getMessage().contains("Locator.expect with timeout 1000ms"), e.getMessage());
  }

  @Test
@@ -1137,6 +1137,6 @@ public class TestLocatorAssertions extends TestBase {
    AssertionFailedError e = assertThrows(AssertionFailedError.class, () -> {
      assertThat(page.locator("div")).containsClass(asList("foo", "bar", "baz"), new ContainsClassOptions().setTimeout(1000));
    });
-    assertTrue(e.getMessage().contains("Assert \"containsClass\" with timeout 1000ms"), e.getMessage());
+    assertTrue(e.getMessage().contains("Locator.expect with timeout 1000ms"), e.getMessage());
  }
 }
@@ -218,6 +218,6 @@ public class TestLocatorAssertions2 extends TestBase {
    AssertionFailedError e = assertThrows(AssertionFailedError.class, () ->
      assertThat(locator).isChecked(new LocatorAssertions.IsCheckedOptions().setIndeterminate(true).setTimeout(1000)));
    // TODO: should be "assertThat().isChecked() with timeout 1000ms"
-    assertTrue(e.getMessage().contains("Assert \"isChecked\" with timeout 1000ms"), e.getMessage());
+    assertTrue(e.getMessage().contains("Locator.expect with timeout 1000ms"), e.getMessage());
  }
 }
@@ -271,7 +271,7 @@ public class TestPageAddLocatorHandler extends TestBase {

    PlaywrightException e = assertThrows(PlaywrightException.class, () -> page.locator("#target").click(new Locator.ClickOptions().setTimeout(3_000)));
    assertEquals(0, (int) page.evaluate("window.clicked"));
-    assertTrue(page.locator("#interstitial").isVisible());
+    assertThat(page.locator("#interstitial")).isVisible();
    assertEquals(1, called[0]);
    assertTrue(e.getMessage().contains("locator handler has finished, waiting for getByRole(AriaRole.BUTTON, new Page.GetByRoleOptions().setName(\"close\")) to be hidden"), e.getMessage());
  }
@@ -1,9 +1,9 @@
 package com.microsoft.playwright;

+import com.microsoft.playwright.Locator.AriaSnapshotOptions;
 import com.microsoft.playwright.junit.FixtureTest;
 import com.microsoft.playwright.junit.UsePlaywright;
 import org.junit.jupiter.api.Test;
-import org.opentest4j.AssertionFailedError;

 import java.util.Arrays;
 import java.util.List;
@@ -14,6 +14,7 @@ import java.util.stream.Collectors;
 import static com.microsoft.playwright.assertions.PlaywrightAssertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;

@FixtureTest
@UsePlaywright
@@ -72,6 +73,12 @@ public class TestPageAriaSnapshot {
    checkAndMatchSnapshot(page.locator("body"), "- list:\n  - listitem:\n    - link \"link\":\n      - /url: about:blank");
  }

+  @Test
+  void shouldSnapshotRef(Page page) {
+    page.setContent("<ul><li>foo</li></ul>");
+    assertEquals(unshift("- list [ref=s1e3]:\n  - listitem [ref=s1e4]: foo"), page.locator("body").ariaSnapshot(new AriaSnapshotOptions().setRef(true)));
+  }
+
  @Test
  void shouldAllowTextNodes(Page page) {
    page.setContent("<h1>Microsoft</h1><div>Open source projects and samples from Microsoft</div>");
@@ -104,27 +111,4 @@ public class TestPageAriaSnapshot {
      "- link:\n" +
      "  - /url: /.*example.com/");
  }
-
-  @Test
-  void shouldHandleTopLevelDeepEqual(Page page) {
-    // https://github.com/microsoft/playwright/issues/36456
-    page.setContent("" +
-      "<ul>\n" +
-      "  <li>\n" +
-      "    <ul>\n" +
-      "      <li>1.1</li>\n" +
-      "      <li>1.2</li>\n" +
-      "    </ul>\n" +
-      "  </li>\n" +
-      "</ul>");
-
-    assertThrows(AssertionFailedError.class, () -> {
-      assertThat(page.locator("body")).matchesAriaSnapshot("" +
-        "- /children: deep-equal\n" +
-        "- list:\n" +
-        "  - listitem:\n" +
-        "    - listitem: \"1.1\"\n" +
-        "    - listitem: \"1.2\"");
-    });
-  }
 }
@@ -29,6 +29,7 @@ import static com.microsoft.playwright.options.ColorScheme.LIGHT;
 import static com.microsoft.playwright.options.Media.PRINT;
 import static com.microsoft.playwright.Utils.attachFrame;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertTrue;

 public class TestPageEmulateMedia extends TestBase {
  @Test
@@ -99,7 +99,7 @@ public class TestPageInterception extends TestBase {
    page.route("**/*", route -> {
      PlaywrightException error = assertThrows(PlaywrightException.class,
        () -> route.fetch(new Route.FetchOptions().setTimeout(1000)));
-      assertTrue(error.getMessage().contains("Timeout 1000ms exceeded"), error.getMessage());
+      assertTrue(error.getMessage().contains("Request timed out after 1000ms"), error.getMessage());
    });
    PlaywrightException error = assertThrows(PlaywrightException.class,
      () -> page.navigate(server.PREFIX + "/slow", new Page.NavigateOptions().setTimeout(2000)));
@@ -198,15 +198,6 @@ public class TestPageInterception extends TestBase {
    assertTrue(urlMatches("http://playwright.dev/foo", "http://playwright.dev/foo?bar", "\\\\?bar"));
    assertTrue(urlMatches("http://first.host/", "http://second.host/foo", "**/foo"));
    assertTrue(urlMatches("http://playwright.dev/", "http://localhost/", "*//localhost/"));
-
-    String[] customPrefixes = {"about", "data", "chrome", "edge", "file"};
-    for (String prefix : customPrefixes) {
-      assertTrue(urlMatches("http://playwright.dev/", prefix + ":blank", prefix + ":blank"));
-      assertFalse(urlMatches("http://playwright.dev/", prefix + ":blank", "http://playwright.dev/"));
-      assertTrue(urlMatches(null, prefix + ":blank", prefix + ":blank"));
-      assertTrue(urlMatches(null, prefix + ":blank", prefix + ":*"));
-      assertFalse(urlMatches(null, "not" + prefix + ":blank", prefix + ":*"));
-    }
  }

  Pattern globToRegex(String glob) {
@@ -60,6 +60,13 @@ public class TestPdf extends TestBase {
    assertTrue(outlineSize > noOutlineSize, "Unexpected sizes: " + outlineSize + " noOutline: " + noOutlineSize);
  }

+  @Test
+  @DisabledIf(value="com.microsoft.playwright.TestBase#isChromium", disabledReason="skip")
+  void shouldThrowInNonChromium() {
+    PlaywrightException e = assertThrows(PlaywrightException.class, () -> page.pdf());
+    assertTrue(e.getMessage().contains("PDF generation is only supported for Headless Chromium"), e.getMessage());
+  }
+

  @Test
  @DisabledIf(value="com.microsoft.playwright.TestBase#isChromium", disabledReason="skip")
@@ -17,10 +17,12 @@
 package com.microsoft.playwright;

 import com.microsoft.playwright.impl.PlaywrightImpl;
+import com.microsoft.playwright.impl.driver.Driver;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;

 import java.io.IOException;
+import java.lang.reflect.Field;
 import java.nio.file.DirectoryStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -23,26 +23,25 @@ import java.nio.file.Paths;
 import static org.junit.jupiter.api.Assertions.*;

 public class TestSelectorsRegister extends TestBase {
-  private static final String TAG_SELECTOR_SCRIPT = "{\n" +
-    "  create(root, target) {\n" +
-    "    return target.nodeName;\n" +
-    "  },\n" +
-    "  query(root, selector) {\n" +
-    "    return root.querySelector(selector);\n" +
-    "  },\n" +
-    "  queryAll(root, selector) {\n" +
-    "    return Array.from(root.querySelectorAll(selector));\n" +
-    "  }\n" +
-    "}";
-
  @Test
  void shouldWork() {
+    String selectorScript = "{\n" +
+      "  create(root, target) {\n" +
+      "    return target.nodeName;\n" +
+      "  },\n" +
+      "  query(root, selector) {\n" +
+      "    return root.querySelector(selector);\n" +
+      "  },\n" +
+      "  queryAll(root, selector) {\n" +
+      "    return Array.from(root.querySelectorAll(selector));\n" +
+      "  }\n" +
+      "}";
    // Register one engine before creating context.
-    playwright.selectors().register("tag", TAG_SELECTOR_SCRIPT);
+    playwright.selectors().register("tag", selectorScript);

    BrowserContext context = browser.newContext();
    // Register another engine after creating context.
-    playwright.selectors().register("tag2", TAG_SELECTOR_SCRIPT);
+    playwright.selectors().register("tag2", selectorScript);

    Page page = context.newPage();
    page.setContent("<div><span></span></div><div></div>");
@@ -135,21 +134,4 @@ public class TestSelectorsRegister extends TestBase {
    });
    assertTrue(e.getMessage().contains("\"css\" is a predefined selector engine"));
  }
-
-  @Test
-  void shouldThrowAlreadyRegisteredErrorWhenRegistering() {
-    // https://github.com/microsoft/playwright/issues/36467
-
-    // this test is about the exception *before* there's a context created
-    context.close();
-
-    // Register the selector engine first
-    playwright.selectors().register("alreadyRegistered", TAG_SELECTOR_SCRIPT);
-    
-    // Attempt to register the same selector engine again should throw an error
-    PlaywrightException e = assertThrows(PlaywrightException.class, () -> {
-      playwright.selectors().register("alreadyRegistered", TAG_SELECTOR_SCRIPT);
-    });
-    assertTrue(e.getMessage().contains("\"alreadyRegistered\" selector engine has been already registered"));
-  }
 }
@@ -17,7 +17,7 @@
 package com.microsoft.playwright;

 import com.google.gson.Gson;
-import com.google.gson.annotations.SerializedName;
+import com.google.gson.JsonObject;
 import com.microsoft.playwright.options.AriaRole;
 import com.microsoft.playwright.options.Location;
 import com.microsoft.playwright.options.MouseButton;
@@ -182,7 +182,7 @@ public class TestTracing extends TestBase {
    List<TraceEvent> events = parseTraceEvents(traceFile1);
    List<TraceEvent> groups = events.stream().filter(e -> "tracingGroup".equals(e.method)).collect(Collectors.toList());
    assertEquals(1, groups.size());
-    assertEquals("actual", groups.get(0).title);
+    assertEquals("actual", groups.get(0).apiName);

  }

@@ -203,8 +203,8 @@ public class TestTracing extends TestBase {
    context.tracing().stop(new Tracing.StopOptions().setPath(traceFile1));

    List<TraceEvent> events = parseTraceEvents(traceFile1);
-    List<String> calls = events.stream().filter(e -> e.renderedTitle() != null).map(e -> e.renderedTitle()).collect(Collectors.toList());
-    assertEquals(asList("outer group", "Frame.goto", "inner group 1", "Frame.click", "inner group 2", "Frame.isVisible"), calls);
+    List<String> calls = events.stream().filter(e -> e.apiName != null).map(e -> e.apiName).collect(Collectors.toList());
+    assertEquals(asList("outer group", "Page.navigate", "inner group 1", "Frame.click", "inner group 2", "Page.isVisible"), calls);
  }

  @Test
@@ -241,30 +241,30 @@ public class TestTracing extends TestBase {
    context.tracing().stop(new Tracing.StopOptions().setPath(traceFile1));

    List<TraceEvent> events = parseTraceEvents(traceFile1);
-    List<String> calls = events.stream().filter(e -> e.renderedTitle() != null).map(e -> e.renderedTitle())
+    List<String> calls = events.stream().filter(e -> e.apiName != null).map(e -> e.apiName)
        .collect(Collectors.toList());
    assertEquals(asList(
-        "BrowserContext.clockInstall",
-        "Frame.setContent",
+        "Clock.install",
+        "Page.setContent",
        "Frame.click",
        "Frame.click",
-        "Page.keyboardType",
-        "Page.keyboardPress",
-        "Page.keyboardDown",
-        "Page.keyboardInsertText",
-        "Page.keyboardUp",
-        "Page.mouseMove",
-        "Page.mouseDown",
-        "Page.mouseMove",
-        "Page.mouseWheel",
-        "Page.mouseUp",
-        "BrowserContext.clockFastForward",
-        "BrowserContext.clockFastForward",
-        "BrowserContext.clockPauseAt",
-        "BrowserContext.clockRunFor",
-        "BrowserContext.clockSetFixedTime",
-        "BrowserContext.clockSetSystemTime",
-        "BrowserContext.clockResume",
+        "Keyboard.type",
+        "Keyboard.press",
+        "Keyboard.down",
+        "Keyboard.insertText",
+        "Keyboard.up",
+        "Mouse.move",
+        "Mouse.down",
+        "Mouse.move",
+        "Mouse.wheel",
+        "Mouse.up",
+        "Clock.fastForward",
+        "Clock.fastForward",
+        "Clock.pauseAt",
+        "Clock.runFor",
+        "Clock.setFixedTime",
+        "Clock.setSystemTime",
+        "Clock.resume",
        "Frame.click"),
        calls);
  }
@@ -285,31 +285,19 @@ public class TestTracing extends TestBase {
    context.tracing().stop(new Tracing.StopOptions().setPath(traceFile1));

    List<TraceEvent> events = parseTraceEvents(traceFile1);
-    List<String> calls = events.stream().filter(e -> e.renderedTitle() != null).map(e -> e.renderedTitle())
+    List<String> calls = events.stream().filter(e -> e.apiName != null).map(e -> e.apiName)
      .collect(Collectors.toList());
-    assertEquals(asList("Frame.goto"), calls);
+    assertEquals(asList("Page.navigate"), calls);
  }

  private static class TraceEvent {
    String type;
    String name;
-    String title;
-    @SerializedName("class")
-    String clazz;
+    String apiName;
    String method;
    Double startTime;
    Double endTime;
    String callId;
-
-    String renderedTitle() {
-      if (title != null) {
-        return title;
-      }
-      if (clazz != null && method != null) {
-        return clazz + "." + method;
-      }
-      return null;
-    }
  }

  private static List<TraceEvent> parseTraceEvents(Path traceFile) throws IOException {
@@ -1,16 +1,66 @@
 # Client Certificate test-certificates

-Regenerate all certificates by running:
+## Server
+
+```bash
+openssl req \
+	-x509 \
+	-newkey rsa:4096 \
+	-keyout server/server_key.pem \
+	-out server/server_cert.pem \
+	-nodes \
+	-days 365 \
+	-subj "/CN=localhost/O=Client\ Certificate\ Demo" \
+	-addext "subjectAltName=DNS:localhost,DNS:local.playwright"
+```
+
+## Trusted client-certificate (server signed/valid)

 ```
-bash generate.sh
+mkdir -p client/trusted
+# generate server-signed (valid) certifcate
+openssl req \
+	-newkey rsa:4096 \
+	-keyout client/trusted/key.pem \
+	-out client/trusted/csr.pem \
+	-nodes \
+	-days 365 \
+	-subj "/CN=Alice"
+
+# sign with server_cert.pem
+openssl x509 \
+	-req \
+	-in client/trusted/csr.pem \
+	-CA server/server_cert.pem \
+	-CAkey server/server_key.pem \
+	-out client/trusted/cert.pem \
+	-set_serial 01 \
+	-days 365
+```
+
+## Self-signed certificate (invalid)
+
+```
+mkdir -p client/self-signed
+openssl req \
+	-newkey rsa:4096 \
+	-keyout client/self-signed/key.pem \
+	-out client/self-signed/csr.pem \
+	-nodes \
+	-days 365 \
+	-subj "/CN=Bob"
+
+# sign with self-signed/key.pem
+openssl x509 \
+	-req \
+	-in client/self-signed/csr.pem \
+	-signkey client/self-signed/key.pem \
+	-out client/self-signed/cert.pem \
+	-days 365
 ```

 ## Java: Convert PEM Files to PKCS12

-
-Java server understands only PKCS12 keys, after copying the certificates from Node.js Playwright we need to convert them.
-
 ```
-bash generate_java.sh
+openssl pkcs12 -export -in server_cert.pem -inkey server_key.pem -out server_keystore.p12 -name myalias
 ```
@@ -1,28 +1,28 @@
 -----BEGIN CERTIFICATE-----
-MIIEyzCCArOgAwIBAgIUUo60oaPj20QM6oeGSn+2CT5j7GYwDQYJKoZIhvcNAQEL
-BQAwDjEMMAoGA1UEAwwDQm9iMB4XDTI1MDcyMTE1NTYyMFoXDTM1MDcxOTE1NTYy
+MIIEyzCCArOgAwIBAgIUYps4gh4MqFYg8zqQhHYL7zYfbLkwDQYJKoZIhvcNAQEL
+BQAwDjEMMAoGA1UEAwwDQm9iMB4XDTI0MDcxOTEyNDc0MFoXDTI1MDcxOTEyNDc0
 MFowDjEMMAoGA1UEAwwDQm9iMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKC
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-BJNBRv9DqtMC9D/N9NI8GkLrXwZmk82SXG+cQ0TSkNUHYI/03YKoqsn5H8PsG7Tc
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+Rt4OX7HfuokWQDTT0TMn5jVtJyi54cH7f9MmsNJ23g==
 -----END CERTIFICATE-----
@@ -1,26 +1,26 @@
 -----BEGIN CERTIFICATE REQUEST-----
 MIIEUzCCAjsCAQAwDjEMMAoGA1UEAwwDQm9iMIICIjANBgkqhkiG9w0BAQEFAAOC
-Ag8AMIICCgKCAgEAzQMXYOZz3ILrbF9qpDng2pw2wJf1UFopehwaYyu7riWJ9+AD
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 -----END CERTIFICATE REQUEST-----
@@ -1,52 +1,52 @@
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 -----END PRIVATE KEY-----
@@ -1,29 +1,29 @@
 -----BEGIN CERTIFICATE-----
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@@ -1,26 +1,26 @@
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@@ -1,52 +1,52 @@
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+3/vcwrn5limm3pbQg+z+67fFmorSyLHcZ+ky60lWeE9uXCsVjt7eH6B+Rhs9Jafg
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+JkVNCotSicw0vtZk95AfjQksemAq2fFzJfASxtw8IE/WHW4jtvfZ9PPWDt9U83ll
+Y+eu85cike5J4vnz8uG04yt7rXjIrUav
 -----END PRIVATE KEY-----
@@ -1,86 +0,0 @@
-# Client Certificate test-certificates
-
-cd "$(dirname "$0")"
-
-## Server
-
-openssl req \
-	-x509 \
-	-newkey rsa:4096 \
-	-keyout server/server_key.pem \
-	-out server/server_cert.pem \
-	-nodes \
-	-days 3650 \
-	-subj "/CN=localhost/O=Client\ Certificate\ Demo" \
-	-addext "subjectAltName=DNS:localhost,DNS:local.playwright"
-
-## Trusted client-certificate (server signed/valid)
-
-mkdir -p client/trusted
-# generate server-signed (valid) certificate
-openssl req \
-	-newkey rsa:4096 \
-	-keyout client/trusted/key.pem \
-	-out client/trusted/csr.pem \
-	-nodes \
-	-days 3650 \
-	-subj "/CN=Alice"
-
-# sign with server_cert.pem
-openssl x509 \
-	-req \
-	-in client/trusted/csr.pem \
-	-CA server/server_cert.pem \
-	-CAkey server/server_key.pem \
-	-out client/trusted/cert.pem \
-	-set_serial 01 \
-	-days 3650
-# create pfx
-openssl pkcs12 -export -out client/trusted/cert.pfx -inkey client/trusted/key.pem -in client/trusted/cert.pem -passout pass:secure
-
-## Trusted certificate for localhost (server signed/valid)
-
-mkdir -p client/localhost
-
-# generate server-signed (valid) certificate
-openssl req \
-	-newkey rsa:4096 \
-	-keyout client/localhost/localhost.key \
-	-out client/localhost/localhost.csr \
-	-nodes \
-	-days 3650 \
-	-subj "/CN=localhost" \
-  -addext "subjectAltName=DNS:localhost,DNS:127.0.0.1"
-
-# put extensions
-echo "subjectAltName=DNS:localhost,DNS:127.0.0.1" > client/localhost/localhost.ext
-
-# sign with server_cert.pem
-openssl x509 \
-	-req \
-	-in client/localhost/localhost.csr \
-	-CA server/server_cert.pem \
-	-CAkey server/server_key.pem \
-	-set_serial 01 \
-	-out client/localhost/localhost.pem \
-	-days 3650 \
-  -extfile client/localhost/localhost.ext
-
-## Self-signed certificate (invalid)
-
-mkdir -p client/self-signed
-openssl req \
-	-newkey rsa:4096 \
-	-keyout client/self-signed/key.pem \
-	-out client/self-signed/csr.pem \
-	-nodes \
-	-days 3650 \
-	-subj "/CN=Bob"
-
-# sign with self-signed/key.pem
-openssl x509 \
-	-req \
-	-in client/self-signed/csr.pem \
-	-signkey client/self-signed/key.pem \
-	-out client/self-signed/cert.pem \
-	-days 3650
@@ -1,8 +0,0 @@
-cd "$(dirname "$0")"
-CWD=$(pwd)
-
-cd server
-openssl pkcs12 -export -in server_cert.pem -inkey server_key.pem -out server_keystore.p12 -name myalias -passout pass:
-
-cd "$CWD/client/trusted"
-openssl pkcs12 -export -in cert.pem -inkey key.pem -out keystore.p12 -name myalias -passout pass:
@@ -1,32 +1,32 @@
 -----BEGIN CERTIFICATE-----
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-t3jt9TP8623D
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+2Ct10prMWB/3
 -----END CERTIFICATE-----
@@ -1,52 +1,52 @@
 -----BEGIN PRIVATE KEY-----
-MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQDYDbBlM8ILtq2x
-KLFUZwU4n7+0VHsO0skCfyNwpSZndbArjJUd/ZgFyCy5RK5Cg23KtXSMgkU6QlXO
-WvIrWJ/1wAkH9tuef/JDo9NJ00jBeua7HjdudNAsz6WwXSZC+a6DhA7nVHNwuyqq
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-wCb7gJVXxlm/SN0K4vOVq80dBknr785562hDFGoXFX9hd2uPCQKbWGdMca+MmRWw
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 -----END PRIVATE KEY-----
@@ -6,7 +6,7 @@

  <groupId>com.microsoft.playwright</groupId>
  <artifactId>parent-pom</artifactId>
-  <version>1.54.0</version>
+  <version>1.52.0</version>
  <packaging>pom</packaging>
  <name>Playwright Parent Project</name>
  <description>Java library to automate Chromium, Firefox and WebKit with a single API.
@@ -1 +1 @@
-1.54.1
+1.52.0
@@ -6,7 +6,7 @@

  <groupId>com.microsoft.playwright</groupId>
  <artifactId>api-generator</artifactId>
-  <version>1.54.0</version>
+  <version>1.52.0</version>
  <name>Playwright - API Generator</name>
  <description>
    This is an internal module used to generate Java API from the upstream Playwright
@@ -4,7 +4,7 @@
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.microsoft.playwright</groupId>
  <artifactId>test-cli-fatjar</artifactId>
-  <version>1.54.0</version>
+  <version>1.52.0</version>
  <name>Test Playwright Command Line FatJar</name>
  <properties>
    <compiler.version>1.8</compiler.version>
--- a/Show More
+++ b/Show More
@@ -1 +1 @@
 .54.1
 .52.0