import { InternalMdlDialogReference } from "./internal-dialog-reference";
import { Observable } from "rxjs";
/**
 * The reference to the created and displayed dialog.
 */
export declare class MdlDialogReference {
    private internaleRef;
    constructor(internaleRef: InternalMdlDialogReference);
    /**
     * closes the dialog
     */
    hide(data?: unknown): void;
    /**
     * Observable that emits, if the dialog was closed.
     * returns {Observable<void>}
     */
    onHide(): Observable<any>;
    /**
     * Observable that emits, if the dialog is really visible and not only created.
     * returns {Observable<void>}
     */
    onVisible(): Observable<void>;
}