Add AnnotationSythesizer API

Closes gh-13234
Closes gh-13490
Closes gh-15097

aspects/src/test/java/org/springframework/security/authorization/method/aspectj/PreAuthorizeAspectTests.java

@@ -47,6 +47,8 @@ public class PreAuthorizeAspectTests {
 
 	private PrePostSecured prePostSecured = new PrePostSecured();
 
+	private MultipleInterfaces multiple = new MultipleInterfaces();
+
 	@BeforeEach
 	public final void setUp() {
 		MockitoAnnotations.initMocks(this);
@@ -110,6 +112,12 @@ public class PreAuthorizeAspectTests {
 			.isThrownBy(() -> this.secured.myObject().denyAllMethod());
 	}
 
+	@Test
+	public void multipleInterfacesPreAuthorizeAllows() {
+		// aspectj doesn't inherit annotations
+		this.multiple.securedMethod();
+	}
+
 	interface SecuredInterface {
 
 		@PreAuthorize("hasRole('X')")
@@ -177,4 +185,19 @@ public class PreAuthorizeAspectTests {
 
 	}
 
+	interface AnotherSecuredInterface {
+
+		@PreAuthorize("hasRole('Y')")
+		void securedMethod();
+
+	}
+
+	static class MultipleInterfaces implements SecuredInterface, AnotherSecuredInterface {
+
+		@Override
+		public void securedMethod() {
+		}
+
+	}
+
 }