export declare class RPCClient {
    readonly url: string;
    private cookies;
    constructor(url: string);
    request<result>(method: string, params?: unknown): Promise<result>;
}
export declare class HTTPStatusError extends Error {
    constructor(expected: number, got: string);
}
export declare class RPCError extends Error {
    code: number;
    message: string;
    constructor(code: number, message: string);
}