export declare class Message {
}
export declare class RequestMessage extends Message {
    requestId: number;
    constructor(init: {
        requestId: RequestMessage['requestId'];
    });
}
export declare class StreamMessage extends Message {
    /** ストリームIDエイリアス。 */
    streamIdAlias: number;
    constructor(init: {
        streamIdAlias: StreamMessage['streamIdAlias'];
    });
}