import { OverlayRef } from '@angular/cdk/overlay';
import { Observable } from 'rxjs';
import { DialogContainerComponent } from './dialog-container.component';
export declare class DialogRef<T = any> {
    private overlayRef;
    containerInstance: DialogContainerComponent;
    /** Unique generated identifier for the dialog */
    readonly id: string;
    /** The instance of component opened into the dialog. */
    componentInstance: T;
    /** Subject for notifying that the dialog has finished opening. */
    private afterOpened$;
    /** Subject for notifying that the dialog has finished closing. */
    private afterClosed$;
    /** Subject for notifying that the dialog has started closing. */
    private beforeClosed$;
    constructor(overlayRef: OverlayRef, containerInstance: DialogContainerComponent);
    /**
     * Close the dialog.
     *
     * @param result  Result to return to the dialog opener.
     */
    close(result?: any): void;
    /**
     * Get an observable that is notified when the dialog is finished opening.
     */
    afterOpened(): Observable<void>;
    /**
     * Get an observable that is notified when the dialog is finished closing.
     */
    afterClosed(): Observable<any>;
    /**
     * Get an observable that is notified when the dialog has started closing.
     */
    beforeClosed(): Observable<void>;
}