import { ChangeDetectorRef, ElementRef, EventEmitter, NgZone } from '@angular/core';
import type { JSX, Components } from '@vime/core/dist/types';
export declare type Emitter<T extends ((...args: any[]) => any) | undefined> = EventEmitter<Parameters<Exclude<T, undefined>>[0]>;
export declare interface Submenu extends Components.VmSubmenu {
}
export declare class Submenu {
    protected z: NgZone;
    protected el: HTMLElement;
    /** Emitted when the submenu is open/active. */
    vmOpenSubmenu: Emitter<JSX.VmSubmenu["onVmOpenSubmenu"]>;
    /** Emitted when the submenu has closed/is not active. */
    vmCloseSubmenu: Emitter<JSX.VmSubmenu["onVmCloseSubmenu"]>;
    constructor(c: ChangeDetectorRef, r: ElementRef, z: NgZone);
}