/**
 * This file is part of the NocoBase (R) project.
 * Copyright (c) 2020-2024 NocoBase Co., Ltd.
 * Authors: NocoBase Team.
 *
 * This project is dual-licensed under AGPL-3.0 and NocoBase Commercial License.
 * For more information, please refer to: https://www.nocobase.com/agreement.
 */
import { Transactionable } from '@nocobase/database';
import { Application } from '@nocobase/server';
import { ChannelOptions, ReceiversOptions } from './types';
export declare abstract class BaseNotificationChannel<Message = any> {
    protected app: Application;
    constructor(app: Application);
    abstract send(params: {
        channel: ChannelOptions;
        message: Message;
        receivers?: ReceiversOptions;
        transaction?: Transactionable['transaction'];
    }): Promise<{
        message: Message;
        status: 'success' | 'failure';
        reason?: string;
    }>;
}