import { JsonRpcRequest } from 'json-rpc-engine';
import { IEthErrors, IEthereumRpcError } from 'eth-rpc-errors/@types';
interface ErrorArg {
    message?: string;
    data?: JsonRpcRequest<any> | any;
}
interface MethodNotFoundArg extends ErrorArg {
    methodName?: string;
}
declare function unauthorized(arg?: ErrorArg): IEthereumRpcError<JsonRpcRequest<any>>;
declare const invalidReq: (opts?: string | import("eth-rpc-errors/@types").IErrorOptions | undefined) => IEthereumRpcError<any>;
declare const internalError: (opts?: string | import("eth-rpc-errors/@types").IErrorOptions | undefined) => IEthereumRpcError<any>;
declare function methodNotFound(opts: MethodNotFoundArg): IEthereumRpcError<JsonRpcRequest<any>>;
declare function userRejectedRequest(request?: JsonRpcRequest<any>): IEthereumRpcError<JsonRpcRequest<any>>;
export { unauthorized, methodNotFound, invalidReq, internalError, userRejectedRequest, IEthErrors };