/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */
import { Direction, Directionality } from '@angular/cdk/bidi';
import { ChangeDetectorRef, EventEmitter, OnDestroy, OnInit, TemplateRef } from '@angular/core';
import { VtsMenuModeType } from './menu.types';
import * as i0 from "@angular/core";
export declare class VtsSubMenuTitleComponent implements OnDestroy, OnInit {
    private cdr;
    private directionality;
    vtsIcon: string | null;
    vtsTitle: string | TemplateRef<void> | null;
    isMenuInsideDropDown: boolean;
    vtsDisabled: boolean;
    marginLeft: number | null;
    mode: VtsMenuModeType;
    readonly toggleSubMenu: EventEmitter<any>;
    readonly subMenuMouseState: EventEmitter<boolean>;
    dir: Direction;
    private destroy$;
    constructor(cdr: ChangeDetectorRef, directionality: Directionality);
    ngOnInit(): void;
    ngOnDestroy(): void;
    setMouseState(state: boolean): void;
    clickTitle(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsSubMenuTitleComponent, [null, { optional: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VtsSubMenuTitleComponent, "[vts-submenu-title]", ["vtsSubmenuTitle"], { "vtsIcon": { "alias": "vtsIcon"; "required": false; }; "vtsTitle": { "alias": "vtsTitle"; "required": false; }; "isMenuInsideDropDown": { "alias": "isMenuInsideDropDown"; "required": false; }; "vtsDisabled": { "alias": "vtsDisabled"; "required": false; }; "marginLeft": { "alias": "marginLeft"; "required": false; }; "mode": { "alias": "mode"; "required": false; }; }, { "toggleSubMenu": "toggleSubMenu"; "subMenuMouseState": "subMenuMouseState"; }, never, ["*"], false, never>;
}