From 94b62c963d8bdfa9edfa70b9243d722aaca73e13 Mon Sep 17 00:00:00 2001
From: WilliamKoza <william.koza@gmail.com>
Date: Sat, 21 Jan 2017 11:27:42 +0100
Subject: [PATCH] fix(common) add interface PipeTransform to Async pipe
 (#14049)

PR Close #14049
---
 modules/@angular/common/src/pipes/async_pipe.ts | 6 +++---
 tools/public_api_guard/common/index.d.ts        | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/modules/@angular/common/src/pipes/async_pipe.ts b/modules/@angular/common/src/pipes/async_pipe.ts
index e319f20fac..b923d6e11f 100644
--- a/modules/@angular/common/src/pipes/async_pipe.ts
+++ b/modules/@angular/common/src/pipes/async_pipe.ts
@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {ChangeDetectorRef, OnDestroy, Pipe, WrappedValue} from '@angular/core';
+import {ChangeDetectorRef, OnDestroy, Pipe, PipeTransform, WrappedValue} from '@angular/core';
 import {EventEmitter, Observable} from '../facade/async';
 import {isPromise} from '../private_import_core';
 import {InvalidPipeArgumentError} from './invalid_pipe_argument_error';
@@ -66,7 +66,7 @@ const _observableStrategy = new ObservableStrategy();
  * @stable
  */
 @Pipe({name: 'async', pure: false})
-export class AsyncPipe implements OnDestroy {
+export class AsyncPipe implements OnDestroy, PipeTransform {
   private _latestValue: Object = null;
   private _latestReturnedValue: Object = null;
 
@@ -131,7 +131,7 @@ export class AsyncPipe implements OnDestroy {
     this._obj = null;
   }
 
-  private _updateLatestValue(async: any, value: Object) {
+  private _updateLatestValue(async: any, value: Object): void {
     if (async === this._obj) {
       this._latestValue = value;
       this._ref.markForCheck();
diff --git a/tools/public_api_guard/common/index.d.ts b/tools/public_api_guard/common/index.d.ts
index 3419149a77..d75bf6544b 100644
--- a/tools/public_api_guard/common/index.d.ts
+++ b/tools/public_api_guard/common/index.d.ts
@@ -2,7 +2,7 @@
 export declare const APP_BASE_HREF: InjectionToken<string>;
 
 /** @stable */
-export declare class AsyncPipe implements OnDestroy {
+export declare class AsyncPipe implements OnDestroy, PipeTransform {
     constructor(_ref: ChangeDetectorRef);
     ngOnDestroy(): void;
     transform(obj: Observable<any> | Promise<any> | EventEmitter<any>): any;