import { OverlayRef } from '@angular/cdk/overlay'; import { ModalContainer } from './modal-container.component'; import { Observable } from 'rxjs'; export declare class ModalRef { private overlayRef; componentInstance: ModalContainer; private _beforeClose; private _afterClosed; private _result; constructor(overlayRef: OverlayRef); close(data?: any): void; afterClosed(): Observable; beforeClose(): Observable; }