refactor: replace any[] with Provider[] where possible

modules/@angular/core/src/application_ref.ts

@@ -14,7 +14,7 @@ import {ApplicationInitStatus} from './application_init';
 import {APP_BOOTSTRAP_LISTENER, PLATFORM_INITIALIZER} from './application_tokens';
 import {ChangeDetectorRef} from './change_detection/change_detector_ref';
 import {Console} from './console';
-import {Injectable, Injector, OpaqueToken, Optional, ReflectiveInjector} from './di';
+import {Injectable, Injector, OpaqueToken, Optional, Provider, ReflectiveInjector} from './di';
 import {CompilerFactory, CompilerOptions} from './linker/compiler';
 import {ComponentFactory, ComponentRef} from './linker/component_factory';
 import {ComponentFactoryResolver} from './linker/component_factory_resolver';
@@ -81,7 +81,7 @@ export function createPlatform(injector: Injector): PlatformRef {
  *
  * @experimental
  */
-export type PlatformFactory = (extraProviders?: any[]) => PlatformRef;
+export type PlatformFactory = (extraProviders?: Provider[]) => PlatformRef;
 
 /**
  * Creates a factory for a platform
@@ -89,9 +89,10 @@ export type PlatformFactory = (extraProviders?: any[]) => PlatformRef;
  * @experimental APIs related to application bootstrap are currently under review.
  */
 export function createPlatformFactory(
-    parentPlaformFactory: PlatformFactory, name: string, providers: any[] = []): PlatformFactory {
+    parentPlaformFactory: PlatformFactory, name: string,
+    providers: Provider[] = []): PlatformFactory {
   const marker = new OpaqueToken(`Platform: ${name}`);
-  return (extraProviders: any[] = []) => {
+  return (extraProviders: Provider[] = []) => {
     if (!getPlatform()) {
       if (parentPlaformFactory) {
         parentPlaformFactory(

modules/@angular/core/src/metadata/directives.ts

@@ -8,7 +8,7 @@
 
 import {AnimationEntryMetadata} from '../animation/metadata';
 import {ChangeDetectionStrategy} from '../change_detection/constants';
-import {InjectableMetadata} from '../di/metadata';
+import {InjectableMetadata, Provider} from '../di';
 import {isPresent} from '../facade/lang';
 import {Type} from '../type';
 import {ViewEncapsulation} from './view';
@@ -668,8 +668,8 @@ export class DirectiveMetadata extends InjectableMetadata implements DirectiveMe
    * }
    * ```
    */
-  get providers(): any[] { return this._providers; }
-  private _providers: any[];
+  get providers(): Provider[] { return this._providers; }
+  private _providers: Provider[];
 
   /**
    * Defines the name that can be used in the template to assign this directive to a variable.
@@ -835,8 +835,8 @@ export class ComponentMetadata extends DirectiveMetadata implements ComponentMet
    *
    * ```
    */
-  get viewProviders(): any[] { return this._viewProviders; }
-  private _viewProviders: any[];
+  get viewProviders(): Provider[] { return this._viewProviders; }
+  private _viewProviders: Provider[];
 
   /**
    * The module id of the module that contains the component.

modules/@angular/core/src/metadata/ng_module.ts

@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {InjectableMetadata} from '../di/metadata';
+import {InjectableMetadata, Provider} from '../di';
 import {Type} from '../type';
 
 /**
@@ -16,7 +16,7 @@ import {Type} from '../type';
  */
 export interface ModuleWithProviders {
   ngModule: Type<any>;
-  providers?: any[];
+  providers?: Provider[];
 }
 
 /**
@@ -50,7 +50,7 @@ export const NO_ERRORS_SCHEMA: SchemaMetadata = {
  * @stable
  */
 export interface NgModuleMetadataType {
-  providers?: any[];
+  providers?: Provider[];
   declarations?: Array<Type<any>|any[]>;
   imports?: Array<Type<any>|ModuleWithProviders|any[]>;
   exports?: Array<Type<any>|any[]>;
@@ -93,8 +93,8 @@ export class NgModuleMetadata extends InjectableMetadata implements NgModuleMeta
    * }
    * ```
    */
-  get providers(): any[] { return this._providers; }
-  private _providers: any[];
+  get providers(): Provider[] { return this._providers; }
+  private _providers: Provider[];
 
 
   /**

modules/@angular/core/src/platform_core_providers.ts

@@ -8,7 +8,7 @@
 
 import {PlatformRef, PlatformRef_, createPlatformFactory} from './application_ref';
 import {Console} from './console';
-import {Provider} from './di';
+import {ClassProvider, ExistingProvider, FactoryProvider, Provider, TypeProvider, ValueProvider} from './di';
 import {Reflector, reflector} from './reflection/reflection';
 import {ReflectorReader} from './reflection/reflector_reader';
 import {TestabilityRegistry} from './testability/testability';