import { MESSAGE_TYPE } from "./shared";
export type Message = ActionRequestMessage | ActionStartMessage | ActionChunkMessage | ActionEndMessage | ActionErrorMessage | RscStartMessage | RscChunkMessage | RscEndMessage;
export type ActionRequestMessage = {
    type: typeof MESSAGE_TYPE.ACTION_REQUEST;
    id: string | null;
    args: any;
    requestId: string;
    clientUrl: string;
};
export type ActionStartMessage = {
    type: typeof MESSAGE_TYPE.ACTION_START;
    id: string;
    status: number;
};
export type ActionChunkMessage = {
    type: typeof MESSAGE_TYPE.ACTION_CHUNK;
    id: string;
    payload: Uint8Array;
};
export type ActionEndMessage = {
    type: typeof MESSAGE_TYPE.ACTION_END;
    id: string;
};
export type ActionErrorMessage = {
    type: typeof MESSAGE_TYPE.ACTION_ERROR;
    id: string;
    error: string;
};
export type RscStartMessage = {
    type: typeof MESSAGE_TYPE.RSC_START;
    id: string;
    status: number;
};
export type RscChunkMessage = {
    type: typeof MESSAGE_TYPE.RSC_CHUNK;
    id: string;
    payload: Uint8Array;
};
export type RscEndMessage = {
    type: typeof MESSAGE_TYPE.RSC_END;
    id: string;
};
/**
 * Packs a message object into a Uint8Array for sending over WebSocket.
 */
export declare function packMessage(message: Message): Uint8Array;
/**
 * Unpacks a Uint8Array from WebSocket into a message object.
 */
export declare function unpackMessage(data: Uint8Array): Message;