import { ElementRef } from '@angular/core';
import { BsDropdownDirective } from '../dropdown/dropdown.directive';
import * as i0 from "@angular/core";
export declare class BsDropdownToggleDirective {
    private dropdown;
    constructor(dropdown: BsDropdownDirective, toggleButton: ElementRef);
    toggleButton: ElementRef;
    onClick(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<BsDropdownToggleDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<BsDropdownToggleDirective, "[bsDropdownToggle]", never, {}, {}, never, never, false, never>;
}
