/**
 * JSON-RPC error object.
 */
export declare class JsonRpcError implements Error {
    readonly code: number;
    readonly message: string;
    readonly name: string;
    /**
     * JSON-RPC error object constructor.
     * @param {{code: number; message: string}} data Error data.
     */
    constructor({ code, message }: {
        code: number;
        message: string;
    });
    /**
     * Error info to string.
     */
    toString(): string;
}