import { Overlay } from "@angular/cdk/overlay";
import { AfterViewInit, ElementRef, OnDestroy, ViewContainerRef } from "@angular/core";
import { BehaviorSubject } from "rxjs";
import { DropdownComponent } from "./dropdown.component";
import * as i0 from "@angular/core";
export declare class DropdownDirective implements AfterViewInit, OnDestroy {
    private overlay;
    private viewContainerRef;
    private elementRef;
    targetDropdown: DropdownComponent;
    trigger: 'leftClick';
    position: 'leftBottom' | 'rightBottom' | 'leftTop' | 'rightTop' | 'right' | 'end';
    contextMode: boolean;
    isVisible$: BehaviorSubject<boolean>;
    private currentEvent;
    private overlayRef;
    constructor(overlay: Overlay, viewContainerRef: ViewContainerRef, elementRef: ElementRef);
    ngAfterViewInit(): void;
    subscribeIsVisible(): void;
    private createOverlayRef;
    private createPositionStrategy;
    onResize(): void;
    onClick(event: MouseEvent): void;
    onContextMenu(event: MouseEvent): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DropdownDirective, "[youi-dropdown-trigger]", never, { "targetDropdown": "targetDropdown"; "trigger": "trigger"; "position": "position"; "contextMode": "contextMode"; }, {}, never>;
}