import { Observable } from 'rxjs';
import { DatoPanelOptions, DatoPanelResult } from './panel.types';
import { beforeClosedDelegate } from '../types/public_api';
export declare class DatoPanelRef {
    private readonly panelOptions;
    private _onClose;
    private _onDestroy;
    private _result;
    /**
     * Will be used for disable the closing
     */
    private _beforeClose;
    /** This indication helps knowing that the observable is finished because we don't want to invoke it per close click  */
    private beforeCloseFinished;
    get $destroyed(): Observable<unknown>;
    get options(): DatoPanelOptions;
    get data(): any;
    constructor(panelOptions: DatoPanelOptions);
    /**
     * Closing the panel, passing an optional result.
     * @param result
     * @return whether the panel has been closed, or aborted.
     */
    close<R>(result?: R): void;
    /**
     * Register a handler function to be invoked just before the panel closed.
     * The handler should return a boolean/Observable indicates if the panel can be closed.
     * @param {beforeClosedDelegate} fn
     */
    beforeClosed(fn: beforeClosedDelegate<DatoPanelResult>): this;
    /**
     * Gets an observable that is notified when the panel is finished closing.
     */
    afterClosed(): Observable<DatoPanelResult>;
    _destroy(): void;
    /**
     * Check and close the panel
     * @param {DatoPanelResult} result
     */
    _tryClose(result: DatoPanelResult): Observable<DatoPanelResult>;
    /**
     * Check if the panel can be closed
     * @param result
     * @return {Observable<boolean>}
     */
    private canClose;
}