import { ElementRef, OnDestroy, ViewContainerRef } from "@angular/core";
import { Menu } from "./menu.interface";
import { Overlay } from "@angular/cdk/overlay";
export declare class MenuTriggerForDirective implements OnDestroy {
    private overlay;
    private elementRef;
    private viewContainerRef;
    private isDropdownOpen;
    private overlayRef;
    private dropdownClosingActionsSub;
    dropdownPanel: Menu;
    gClass: string;
    originX: "start" | "end";
    originY: "top" | "bottom";
    constructor(overlay: Overlay, elementRef: ElementRef<HTMLElement>, viewContainerRef: ViewContainerRef);
    toggleDropdown(): void;
    openDropdown(): void;
    private dropdownClosingActions;
    private destroyDropdown;
    ngOnDestroy(): void;
}