import { ElementRef } from "@angular/core";
import { Observable } from "rxjs";
import { Overlay } from "./overlay.interface";
export declare class OverlayBaseService {
    private _$isClose;
    /**
     * Gets elementRef
     *
     * @author Federico Gamabrdella<federico.gamabrdella@micegroup.it>
     * @param {ElementRef} elRef
     * @param element
     */
    protected _getElementRef(elRef: ElementRef, element: any): ElementRef;
    /**
     * Listen for close overlay.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     */
    listenForClose(): Observable<HTMLElement>;
    /**
     * Sets close overlay.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {HTMLElement} value
     */
    setCloseOverlay(value: HTMLElement): void;
    /**
     * Set detached status
     *
     * @author Federico Gambardella<fedrico.gambardella@micegroup.it>
     * @param {Overlay} overlay
     * @param {booleab} status
     */
    protected _setDeatchedStatus(overlay: Overlay, status: boolean): void;
}