import { AxiosRequestConfig } from 'axios';
export declare class JsonRpcError implements Error {
    code: string;
    name: string;
    message: string;
    stack?: string;
    constructor(message: string, code: string);
}
export declare type JsonRpcResult<T> = {
    id: number;
    jsonrpc: '2.0';
    result?: T;
    error?: Error;
};
export default class JsonRpcClient {
    private url;
    private prefix?;
    private config?;
    constructor(url: string, prefix?: string | undefined, config?: AxiosRequestConfig<any> | undefined);
    call<P, R>(method: string, params: P): Promise<JsonRpcResult<R>>;
}