Modules and imports

import { MdbAccordionModule } from 'mdb-angular-ui-kit/accordion';
import { MdbCarouselModule } from 'mdb-angular-ui-kit/carousel';
import { MdbCheckboxModule } from 'mdb-angular-ui-kit/checkbox';
import { MdbCollapseModule } from 'mdb-angular-ui-kit/collapse';
import { MdbDropdownModule } from 'mdb-angular-ui-kit/dropdown';
import { MdbFormsModule } from 'mdb-angular-ui-kit/forms';
import { MdbModalModule } from 'mdb-angular-ui-kit/modal';
import { MdbPopoverModule } from 'mdb-angular-ui-kit/popover';
import { MdbRadioModule } from 'mdb-angular-ui-kit/radio';
import { MdbRangeModule } from 'mdb-angular-ui-kit/range';
import { MdbRippleModule } from 'mdb-angular-ui-kit/ripple';
import { MdbScrollspyModule } from 'mdb-angular-ui-kit/scrollspy';
import { MdbTabsModule } from 'mdb-angular-ui-kit/tabs';
import { MdbTooltipModule } from 'mdb-angular-ui-kit/tooltip';
import { MdbValidationModule } from 'mdb-angular-ui-kit/validation';

@NgModule({
  ...
  imports: [
    MdbAccordionModule,
    MdbCarouselModule,
    MdbCheckboxModule,
    MdbCollapseModule,
    MdbDropdownModule,
    MdbFormsModule,
    MdbModalModule,
    MdbPopoverModule,
    MdbRadioModule,
    MdbRangeModule,
    MdbRippleModule,
    MdbScrollspyModule,
    MdbTabsModule,
    MdbTooltipModule,
    MdbValidationModule,
  ]
  ...
})