import { AfterContentInit, ElementRef } from '@angular/core';
import { DropdownToggleDirective } from './dropdown-toggle.directive';
import { DropdownMenuDirective } from './dropdown-menu.directive';
import * as i0 from "@angular/core";
export declare class DropdownDirective implements AfterContentInit {
    private readonly _elementRef;
    private _justToggle;
    autoClose: boolean | 'outside';
    _dropdownToggle: DropdownToggleDirective | null;
    _dropdownMenu: DropdownMenuDirective;
    _windowClick(): void;
    constructor(_elementRef: ElementRef);
    private _autoClose;
    ngAfterContentInit(): void;
    toggle(): void;
    open(): void;
    close(): void;
    openDropdownUpOrDown(): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DropdownDirective, "[uDropdown]", never, { "autoClose": { "alias": "autoClose"; "required": false; }; }, {}, ["_dropdownToggle", "_dropdownMenu"], never, false, never>;
}