import type { UmbNotificationOptions, UmbNotificationColor } from './types.js';
import type { UUIToastNotificationElement } from '../../../external/uui/index.js';
/**
 * @class UmbNotificationHandler
 */
export declare class UmbNotificationHandler {
    private _closeResolver;
    private _closePromise;
    private _elementName?;
    private _data?;
    private _defaultColor;
    private _defaultDuration;
    key: string;
    element: UUIToastNotificationElement;
    color: UmbNotificationColor;
    duration: number | null;
    /**
     * Creates an instance of UmbNotificationHandler.
     * @param {UmbNotificationOptions} options
     * @memberof UmbNotificationHandler
     */
    constructor(options: UmbNotificationOptions);
    /**
     * @param {...any} args
     * @memberof UmbNotificationHandler
     */
    close(...args: any): void;
    /**
     * @returns {*}
     * @memberof UmbNotificationHandler
     */
    onClose(): Promise<any>;
}