export declare namespace JsonRpc {
    type Requestish = Request | Request[];
    type Respondish = Response | Response[];
    type Bidirectional = Requestish | Respondish;
    const version = "2.0";
    type Request<P extends Params = any> = (Query<P> | Notification<P>);
    type Response<Result = any> = (Success<Result> | Failure);
    type Serializable = (void | null | undefined | boolean | number | string | Serializable[] | {
        [key: string]: Serializable;
    });
    type Id = number | string;
    type Params = Serializable[] | Record<string, Serializable>;
    type Notification<P extends Params> = {
        jsonrpc: string;
        method: string;
        params: P;
    };
    type Query<P extends Params> = {
        id: Id;
        jsonrpc: string;
        method: string;
        params: P;
    };
    type Error = {
        code: number;
        message: string;
        data?: any;
    };
    type Success<Result> = {
        jsonrpc: "2.0";
        id: Id;
        result: Result;
    };
    type Failure = {
        jsonrpc: "2.0";
        id: Id;
        error: Error;
    };
    function getId(request: Request): Id | null;
    const errorCodes: {
        serverError: number;
        unexposedError: number;
    };
}