DropdownComponent

<vdr-dropdown>  <button class="btn btn-outline" vdrDropdownTrigger>      <clr-icon shape="plus"></clr-icon>      Select type  </button>  <vdr-dropdown-menu vdrPosition="bottom-left">    <button      *ngFor="let typeName of allTypes"      type="button"      vdrDropdownItem      (click)="selectType(typeName)"    >      typeName    </button>  </vdr-dropdown-menu></vdr-dropdown>

class DropdownComponent {    isOpen = false;    public trigger: ElementRef;    @Input() manualToggle = false;    onClick() => ;    toggleOpen() => ;    onOpenChange(callback: (isOpen: boolean) => void) => ;    setTriggerElement(elementRef: ElementRef) => ;}