/**
 * JSON-RPC response.
 */
export interface RpcResponse {
    /**
     * Result of the invoked method, if successful.
     */
    readonly result: any;
    /**
     * Error object, if method invocation failed.
     */
    readonly error: Error | null;
    /**
     * Identifier of the request associated with the response, if any.
     */
    readonly id: number | string | null;
}
/**
 * Type of the `error` property of [[RpcResponse]].
 */
export interface Error {
    /**
     * Error code.
     *
     * See [[ErrorCode]] for a list of predefined error codes.
     */
    readonly code: number;
    /**
     * Error description.
     */
    readonly message: string;
}
/**
 * JSON-RPC 2.0 predefined error codes.
 */
export declare enum ErrorCode {
    /**
     * The request body is an invalid JSON-RPC request.
     */
    InvalidRequest = -32600,
    /**
     * The invoked method does not exist.
     */
    MethodNotFound = -32601,
    /**
     * The method arguments are invalid.
     */
    InvalidParams = -32602,
    /**
     * Internal JSON-RPC error.
     */
    InternalError = -32603,
    /**
     * The request body is an invalid JSON document.
     */
    ParseError = -32700,
}