import { HoistModel, MessageSpec } from '@xh/hoist/core';
import { MessageModel } from './MessageModel';
/**
 * Supports managed display of modal message dialogs via `XH.message()` and friends.
 * Not intended for direct application use - use helpers off of `XH` instead.
 * @internal
 */
export declare class MessageSourceModel extends HoistModel {
    xhImpl: boolean;
    msgModels: MessageModel[];
    constructor();
    message(config: MessageSpec): any;
    alert(config: MessageSpec): any;
    confirm(config: MessageSpec): any;
    prompt(config: MessageSpec): any;
    private addModel;
}