public static getSnapshotHistory(application: string, account: string, params = {}): IPromise<ISnapshot[]> {
   return API.one('applications')
     .one(application)
     .one('snapshots')
     .one(account)
     .one('history')
     .withParams(params)
     .getList();
 }

 public static getApplicationAttributes(name: string): IPromise<any> {
   return API.one('applications', name)
     .withParams({ expand: false })
     .get()
     .then((fromServer: Application) => {
       this.splitAttributes(fromServer.attributes, ['accounts', 'cloudProviders']);
       return fromServer.attributes;
     });
 }

 public static getApplication(name: string, expand = true): IPromise<Application> {
   return API.one('applications', name)
     .withParams({ expand: expand })
     .get()
     .then((fromServer: Application) => {
       const configs: IDataSourceConfig[] = ApplicationDataSourceRegistry.getDataSources();
       const application: Application = new Application(fromServer.name, SchedulerFactory.createScheduler(), configs);
       application.attributes = fromServer.attributes;
       this.splitAttributes(application.attributes, ['accounts', 'cloudProviders']);
       this.setDisabledDataSources(application);
       application.refresh();
       return application;
     });
 }

 public static listApplications(): IPromise<IApplicationSummary[]> {
   return API.all('applications')
     .useCache()
     .getList();
 }

 public static listProjects(): IPromise<IProject[]> {
   return API.all('projects').getList();
 }

 public static getProjectClusters(projectName: string): IPromise<IProjectCluster[]> {
   return API.one('projects', projectName)
     .all('clusters')
     .getList();
 }

 public static getProjectConfig(projectName: string): IPromise<IProject> {
   return API.one('projects', projectName).get();
 }

 public static getPubsubSubscriptions(): IPromise<IPubsubSubscription[]> {
   return API.one('pubsub')
     .one('subscriptions')
     .get();
 }