import { AfterViewInit, ElementRef, NgZone, OnDestroy, Renderer2 } from '@angular/core';
import { DokuDropdownPlacement } from './dropdown.interface';
import * as i0 from "@angular/core";
export declare class DokuDropdown implements OnDestroy, AfterViewInit {
    protected elementRef: ElementRef;
    private renderer;
    private ngZone;
    private document;
    /**
     * The position of the dropdown menu while opened based on the toggler/anchor element.
     * @default 'bottom-start'
     */
    placement: DokuDropdownPlacement;
    private dropdownToggle?;
    private dropdownMenu?;
    private bodyContainer?;
    private originalDropdownMenu?;
    private destroy$;
    constructor(elementRef: ElementRef, renderer: Renderer2, ngZone: NgZone, document: Document);
    private get dropdownToggleElement();
    private get dropdownMenuElement();
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    toggleDropdownMenu(): void;
    showDropdownMenu(): void;
    hideDropdownMenu(): void;
    /**
     * It will create a container for dropdown and append it to the body element.
     */
    protected applyContainer(): void;
    /**
     * Remove body container when dropdown closed and add back the dropdown menu to its original element position.
     */
    protected resetContainer(): void;
    private closeDropdownMenuEventHandler;
    static ɵfac: i0.ɵɵFactoryDeclaration<DokuDropdown, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DokuDropdown, "[doku-dropdown]", ["dokuDropdown"], { "placement": "placement"; }, {}, ["dropdownToggle", "dropdownMenu"], never, true>;
}