import { NgClass } from '@angular/common';
import { ElementRef } from '@angular/core';
import { DokuDropdown } from './dropdown.directive';
import * as i0 from "@angular/core";
export declare class DokuDropdownToggle {
    protected elementRef: ElementRef;
    private dropdown?;
    protected readonly classes: NgClass['ngClass'];
    constructor(elementRef: ElementRef, dropdown?: DokuDropdown | undefined);
    protected onClick(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DokuDropdownToggle, [null, { optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DokuDropdownToggle, "[doku-dropdown-toggle]", ["dokuDropdownToggle"], {}, {}, never, never, true>;
}