import {Observable} from 'rxjs';


export interface SyncProcess {

    url: string;
    cancel(): void;
    observer: Observable<SyncStatus>;
}


export enum SyncStatus {

    Offline = 'OFFLINE',
    Pushing = 'PUSHING',
    Pulling = 'PULLING',
    InSync = 'IN_SYNC',
    Error = 'ERROR',
    AuthenticationError = 'AUTHENTICATION_ERROR',
    AuthorizationError = 'AUTHORIZATION_ERROR'
}

import {Observable} from 'rxjs';


export interface SyncProcess {

    url: string;
    cancel(): void;
    observer: Observable<SyncStatus>;
}


export enum SyncStatus {

    Offline = "OFFLINE",
    Pushing = "PUSHING",
    Pulling = "PULLING",
    InSync = "IN_SYNC",
    Error = "ERROR",
    AuthenticationError = "AUTHENTICATION_ERROR",
    AuthorizationError = "AUTHORIZATION_ERROR"
}

--- 
+++ 
@@ -11,11 +11,11 @@
 
 export enum SyncStatus {
 
-    Offline = "OFFLINE",
-    Pushing = "PUSHING",
-    Pulling = "PULLING",
-    InSync = "IN_SYNC",
-    Error = "ERROR",
-    AuthenticationError = "AUTHENTICATION_ERROR",
-    AuthorizationError = "AUTHORIZATION_ERROR"
+    Offline = 'OFFLINE',
+    Pushing = 'PUSHING',
+    Pulling = 'PULLING',
+    InSync = 'IN_SYNC',
+    Error = 'ERROR',
+    AuthenticationError = 'AUTHENTICATION_ERROR',
+    AuthorizationError = 'AUTHORIZATION_ERROR'
 }
Adjust to code style rules
