import { ElementRef, Renderer2 } from '@angular/core';
import * as i0 from "@angular/core";
export declare class NavDropdownDirective {
    private elementRef;
    private renderer;
    constructor(elementRef: ElementRef, renderer: Renderer2);
    toggle(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NavDropdownDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NavDropdownDirective, "[appNavDropdown]", never, {}, {}, never, never, true, never>;
}
/**
 * Allows the dropdown to be toggled via click.
 */
export declare class NavDropdownToggleDirective {
    private dropdown;
    constructor(dropdown: NavDropdownDirective);
    toggleOpen($event: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NavDropdownToggleDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NavDropdownToggleDirective, "[appNavDropdownToggle]", never, {}, {}, never, never, true, never>;
}