import { AfterContentInit, ElementRef, EventEmitter, OnDestroy, TemplateRef, QueryList, OnInit } from '@angular/core';
import { FocusOrigin } from '@angular/cdk/a11y';
import { Direction } from '@angular/cdk/bidi';
import { Observable, Subject } from 'rxjs';
import { RealsoftMenuItem } from './menu-item';
import { RealsoftMenuContent } from './menu-content';
import { RealsoftMenuCloseReason, RealsoftMenuDefaultOptions, RealsoftMenuPanel, RealsoftMenuPositionX, RealsoftMenuPositionY } from './models';
import * as i0 from "@angular/core";
export declare class RealsoftMenu implements AfterContentInit, RealsoftMenuPanel<RealsoftMenuItem>, OnInit, OnDestroy {
    elementRef: ElementRef<HTMLElement>;
    private _changeDetectorRef;
    private _keyManager;
    private _xPosition;
    private _yPosition;
    private _firstItemFocusRef?;
    private _exitFallbackTimeout;
    private _animationModule;
    protected _animationsDisabled: boolean;
    _directDescendantMenuItems: QueryList<RealsoftMenuItem>;
    _classList: {
        [key: string]: boolean;
    };
    _panelAnimationState: 'void' | 'enter';
    readonly _animationDone: Subject<"enter" | "void">;
    _isAnimating: boolean;
    parentMenu: RealsoftMenuPanel | undefined;
    direction: Direction;
    overlayPanelClass: string | string[];
    backdropClass: string;
    ariaLabel: string;
    ariaLabelledby: string;
    ariaDescribedby: string;
    _menuItems: QueryList<RealsoftMenuItem>;
    get xPosition(): RealsoftMenuPositionX;
    set xPosition(value: RealsoftMenuPositionX);
    /** Position of the menu in the Y axis. */
    get yPosition(): RealsoftMenuPositionY;
    set yPosition(value: RealsoftMenuPositionY);
    templateRef: TemplateRef<any>;
    items: QueryList<RealsoftMenuItem>;
    lazyContent: RealsoftMenuContent;
    overlapTrigger: boolean;
    hasBackdrop?: boolean;
    /**
     * This method takes classes set on the host mat-menu element and applies them on the
     * menu template that displays in the overlay container.  Otherwise, it's difficult
     * to style the containing menu from outside the component.
     * @param classes list of class names
     */
    set panelClass(classes: string);
    private _previousPanelClass;
    readonly closed: EventEmitter<RealsoftMenuCloseReason>;
    readonly close: EventEmitter<RealsoftMenuCloseReason>;
    readonly panelId: string;
    defaultOptions: RealsoftMenuDefaultOptions;
    constructor();
    ngOnInit(): void;
    ngAfterContentInit(): void;
    _hovered(): Observable<RealsoftMenuItem>;
    addItem(_item: RealsoftMenuItem): void;
    removeItem(_item: RealsoftMenuItem): void;
    /** Handle a keyboard event from the menu, delegating to the appropriate action. */
    handleKeydown(event: KeyboardEvent): void;
    focusFirstItem(origin?: FocusOrigin): void;
    resetActiveItem(): void;
    setPositionClasses(posX?: RealsoftMenuPositionX, posY?: RealsoftMenuPositionY): void;
    protected onAnimationDone(state: string): void;
    protected onAnimationStart(state: string): void;
    openMenuState(isOpen: boolean): void;
    private updateDirectDescendants;
    private _resolvePanel;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<RealsoftMenu, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<RealsoftMenu, "realsoft-menu", ["realsoftMenu"], { "backdropClass": { "alias": "backdropClass"; "required": false; }; "ariaLabel": { "alias": "aria-label"; "required": false; }; "ariaLabelledby": { "alias": "aria-labelledby"; "required": false; }; "ariaDescribedby": { "alias": "aria-describedby"; "required": false; }; "xPosition": { "alias": "xPosition"; "required": false; }; "yPosition": { "alias": "yPosition"; "required": false; }; "overlapTrigger": { "alias": "overlapTrigger"; "required": false; }; "hasBackdrop": { "alias": "hasBackdrop"; "required": false; }; "panelClass": { "alias": "class"; "required": false; }; }, { "closed": "closed"; "close": "close"; }, ["lazyContent", "_menuItems", "items"], ["*"], true, never>;
    static ngAcceptInputType_overlapTrigger: unknown;
    static ngAcceptInputType_hasBackdrop: any;
}