import { FocusOrigin } from "@angular/cdk/a11y";
import { Direction } from "@angular/cdk/bidi";
import { ScrollStrategy } from "@angular/cdk/overlay";
import { EventEmitter, InjectionToken, TemplateRef } from "@angular/core";
import { RealsoftMenuContent } from "./menu-content";
export type RealsoftMenuPositionY = 'above' | 'below';
export type RealsoftMenuPositionX = 'before' | 'after';
export type RealsoftMenuCloseReason = void | 'click' | 'keydown' | 'tab';
export interface RealsoftMenuDefaultOptions {
    xPosition: RealsoftMenuPositionX;
    yPosition: RealsoftMenuPositionY;
    overlapTrigger: boolean;
    backdropClass: string;
    overlayPanelClass?: string | string[];
    hasBackdrop?: boolean;
}
export declare const REALSOFT_MENU_DEFAULT_OPTIONS: InjectionToken<RealsoftMenuDefaultOptions>;
export declare function REALSOFT_MENU_DEFAULT_OPTIONS_FACTORY(): RealsoftMenuDefaultOptions;
export interface RealsoftMenuPanel<T = any> {
    xPosition: RealsoftMenuPositionX;
    yPosition: RealsoftMenuPositionY;
    overlapTrigger: boolean;
    templateRef: TemplateRef<any>;
    readonly close?: EventEmitter<void | 'click' | 'keydown' | 'tab'>;
    parentMenu?: RealsoftMenuPanel | undefined;
    direction?: Direction;
    focusFirstItem: (origin?: FocusOrigin) => void;
    resetActiveItem: () => void;
    setPositionClasses?: (x: RealsoftMenuPositionX, y: RealsoftMenuPositionY) => void;
    setElevation?(depth: number): void;
    lazyContent?: RealsoftMenuContent;
    backdropClass?: string;
    overlayPanelClass?: string | string[];
    hasBackdrop?: boolean;
    readonly panelId?: string;
    addItem?: (item: T) => void;
    removeItem?: (item: T) => void;
}
export declare const REALSOFT_MENU_PANEL: InjectionToken<RealsoftMenuPanel<any>>;
export declare const REALSOFT_MENU_SCROLL_STRATEGY: InjectionToken<() => ScrollStrategy>;