opt-cc/static/src/app/request/request.component.ts

import {Component} from '@angular/core';
import {TranslateService} from '@ngx-translate/core';

@Component({
  selector: 'cc-request-root',
  templateUrl: 'request.component.html',
  styleUrls: ['request.component.css']
})
export class RequestComponent {
  constructor(private translate: TranslateService) {
    translate.setDefaultLang('de');
  }
}