import { Injector } from '@angular/core';
import { Overlay } from '@angular/cdk/overlay';
import { ContexrService } from './contexr.service';
export declare class ContextMenuService {
    private overlay;
    private injector;
    private contexr;
    private overlayRef;
    private context;
    constructor(overlay: Overlay, injector: Injector, contexr: ContexrService);
    /**
     * Bootstrap our document click, contextmenu and scrol eventListeners.
     */
    initialize(): void;
    /**
     * Open the context menu
     * @param event
     * @param state
     */
    private open(event, state);
    /**
     * Close the context menu
     */
    close(): void;
    /**
     * Get the configuration that will prevent our ContextMenu from appearing
     * outside the page.
     * @param event
     * @param state
     */
    private getContextMenuConfig(event, state);
    /**
     * Create an injector, so we can inject the ContextState into our context menu
     * @param state
     * @param dialogRef
     */
    private createContextMenuInjector(state, dialogRef);
    /**
     * Attach the context menu overlay to the overlayRef
     * @param overlayRef
     * @param state
     * @param contextMenuOverlayRef
     */
    private attachContextMenuOverlay(overlayRef, state, contextMenuOverlayRef);
}