/**
 * Copyright 2021 Google LLC.
 * Copyright (c) Microsoft Corporation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import type { Message } from '../protocol/protocol.js';
export declare class OutgoingBidiMessage {
    #private;
    private constructor();
    static createFromPromise(messagePromise: Promise<Message.OutgoingMessage>, channel: string | null): Promise<OutgoingBidiMessage>;
    static createResolved(message: Message.OutgoingMessage, channel: string | null): Promise<OutgoingBidiMessage>;
    get message(): Message.OutgoingMessage;
    get channel(): string | null;
}