[Service.Interface] added type info for $Pub event

Author: sqlProvider

CHANGELOG.md

@@ -1,3 +1,6 @@
+## v4.0.3
+ - Fixed the issue that created multiple pubsub services (#7).
+
 ## Next v4.0.2
  - Fixed the issue that created multiple pubsub services (#7).
 

src/angular2-pubsub.service.ts

@@ -43,7 +43,7 @@ export class PubSubService implements IPubSubService {
 }
 
 export interface IPubSubService {
-	$pub(event: string, eventObject?: any);
+	$pub(event: string, eventObject?: any): void;
 	$sub(event: string): Observable<any>;
 	$sub(event: string, callback: (value: any) => void): Subscription;
 	$sub(event: string, callback: (value: any) => void, error: (error: any) => void): Subscription;