/**
 * 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 { ConnectedOverlayPositionChange } from '@angular/cdk/overlay';
import { Platform } from '@angular/cdk/platform';
import { AfterContentInit, ChangeDetectorRef, ElementRef, EventEmitter, OnChanges, OnDestroy, OnInit, QueryList, SimpleChanges, TemplateRef } from '@angular/core';
import { VtsNoAnimationDirective } from '@ui-vts-kit/ng-vts/core/no-animation';
import { BooleanInput } from '@ui-vts-kit/ng-vts/core/types';
import { VtsMenuItemDirective } from './menu-item.directive';
import { MenuService } from './menu.service';
import { VtsMenuModeType } from './menu.types';
import { VtsSubmenuService } from './submenu.service';
import * as i0 from "@angular/core";
export declare class VtsSubMenuComponent implements OnInit, OnDestroy, AfterContentInit, OnChanges {
    vtsMenuService: MenuService;
    private cdr;
    vtsSubmenuService: VtsSubmenuService;
    private platform;
    isMenuInsideDropDown: boolean;
    private directionality;
    noAnimation?: VtsNoAnimationDirective;
    static ngAcceptInputType_vtsOpen: BooleanInput;
    static ngAcceptInputType_vtsDisabled: BooleanInput;
    vtsMenuClassName: string;
    vtsTitle: string | TemplateRef<void> | null;
    vtsTooltip: string | null;
    vtsIcon: string | null;
    vtsOpen: boolean;
    vtsDisabled: boolean;
    readonly vtsOpenChange: EventEmitter<boolean>;
    cdkOverlayOrigin: ElementRef | null;
    listOfVtsSubMenuComponent: QueryList<VtsSubMenuComponent> | null;
    listOfVtsMenuItemDirective: QueryList<VtsMenuItemDirective> | null;
    level: number;
    isFirst$: import("rxjs").BehaviorSubject<boolean>;
    isLasted$: import("rxjs").BehaviorSubject<boolean>;
    rootMode$: import("rxjs").Observable<VtsMenuModeType>;
    private destroy$;
    position: string;
    triggerWidth: number | null;
    mode: VtsMenuModeType;
    overlayPositions: import("@angular/cdk/overlay").ConnectionPositionPair[];
    isSelected: boolean;
    isActive: boolean;
    dir: Direction;
    /** set the submenu host open status directly **/
    setOpenStateWithoutDebounce(open: boolean): void;
    toggleSubMenu(): void;
    setMouseEnterState(value: boolean): void;
    setTriggerWidth(): void;
    onPositionChange(position: ConnectedOverlayPositionChange): void;
    constructor(vtsMenuService: MenuService, cdr: ChangeDetectorRef, vtsSubmenuService: VtsSubmenuService, platform: Platform, isMenuInsideDropDown: boolean, directionality: Directionality, noAnimation?: VtsNoAnimationDirective);
    ngOnInit(): void;
    ngAfterContentInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<VtsSubMenuComponent, [null, null, null, null, null, { optional: true; }, { optional: true; host: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VtsSubMenuComponent, "[vts-submenu]", ["vtsSubmenu"], { "vtsMenuClassName": { "alias": "vtsMenuClassName"; "required": false; }; "vtsTitle": { "alias": "vtsTitle"; "required": false; }; "vtsTooltip": { "alias": "vtsTooltip"; "required": false; }; "vtsIcon": { "alias": "vtsIcon"; "required": false; }; "vtsOpen": { "alias": "vtsOpen"; "required": false; }; "vtsDisabled": { "alias": "vtsDisabled"; "required": false; }; }, { "vtsOpenChange": "vtsOpenChange"; }, ["listOfVtsSubMenuComponent", "listOfVtsMenuItemDirective"], ["[title]", "*"], false, never>;
}