import { ElementRef } from '@angular/core';
import { DropdownComponent } from './dropdown.component';
import * as i0 from "@angular/core";
export declare class DropdownTriggerDirective {
    private dropdown;
    private elementRef;
    constructor(dropdown: DropdownComponent, elementRef: ElementRef);
    onDropdownTriggerClick(event: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownTriggerDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DropdownTriggerDirective, "[vdrDropdownTrigger]", never, {}, {}, never, never, false, never>;
}