import { ElementRef, OnDestroy, Renderer2, ChangeDetectorRef } from '@angular/core';
import { BsDropdownState } from './dropdown.state';
import * as i0 from "@angular/core";
export declare class BsDropdownToggleDirective implements OnDestroy {
    private _state;
    private _element;
    private _renderer;
    private _cdRef;
    private _subscriptions;
    private _documentClickListener;
    private _escKeyUpListener;
    ariaHaspopup: boolean;
    isDisabled: boolean | any;
    isOpen: boolean;
    onClick(): void;
    constructor(_state: BsDropdownState, _element: ElementRef, _renderer: Renderer2, _cdRef: ChangeDetectorRef);
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<BsDropdownToggleDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<BsDropdownToggleDirective, "[mdbDropdownToggle],[dropdownToggle]", ["bs-dropdown-toggle"], {}, {}, never, never, false, never>;
}