import { Injector } from '@angular/core';
import { Overlay, OverlayContainer, OverlayRef } from "@angular/cdk/overlay";
import { ContextMenuConfig } from "../components/context-menu/context-menu-config";
import "rxjs/add/operator/first";
export declare class ContextMenuService {
    private overlay;
    private parentInjector;
    private overlayContainer;
    overlayRef: OverlayRef;
    constructor(overlay: Overlay, parentInjector: Injector, overlayContainer: OverlayContainer);
    /**
     *
     * @param config
     */
    attach(config: ContextMenuConfig): void;
    detach(): void;
    private createInjector(config);
}