-import { MatSliderModule } from '@angular/material/slider';
-import { MatSlideToggleModule } from '@angular/material/slide-toggle';
-import { MatSnackBarModule } from '@angular/material/snack-bar';
-import { MatSortModule } from '@angular/material/sort';
-import { MatTableModule } from '@angular/material/table';
-import { MatTabsModule } from '@angular/material/tabs';
-import { MatToolbarModule } from '@angular/material/toolbar';