MatSlideToggleModule, MatSnackBarModule, MatSortModule, MatTableModule,
MatTabsModule} from '@angular/material';
import { BrowserAnimationsModule} from '@angular/platform-browser/animations';
MatSlideToggleModule, MatSnackBarModule, MatSortModule, MatTableModule,
MatTabsModule} from '@angular/material';
import { BrowserAnimationsModule} from '@angular/platform-browser/animations';