-import { Component, OnInit} from '@angular/core';
-import { XappMgrService } from '../services/xapp-mgr/xapp-mgr.service';
-import { ConfirmDialogService } from './../services/ui/confirm-dialog.service'
-import { NotificationService } from './../services/ui/notification.service'
-import { ErrorDialogService } from '../services/ui/error-dialog.service';
+import { HttpErrorResponse, HttpResponse } from '@angular/common/http';
+import { Component, OnDestroy, OnInit, ViewChild } from '@angular/core';
+import { MatDialog } from '@angular/material/dialog';
+import { MatSort } from '@angular/material/sort';
+import { Subscription } from 'rxjs';
+import { finalize } from 'rxjs/operators';
+import { RicInstance } from '../interfaces/dashboard.types';
+import { XMDeployableApp } from '../interfaces/app-mgr.types';
+import { AppMgrService } from '../services/app-mgr/app-mgr.service';
+import { InstanceSelectorService } from '../services/instance-selector/instance-selector.service';
+import { LoadingDialogService } from '../services/ui/loading-dialog.service';
+import { UiService } from '../services/ui/ui.service';
+import { AppConfigurationComponent } from './../app-configuration/app-configuration.component';
+import { ConfirmDialogService } from '../services/ui/confirm-dialog.service';
+import { NotificationService } from '../services/ui/notification.service';