declare type RPCRequest = {
  method: string;
  params?: Array<any>;
};
export default class ExternalProvider {
  isMetaMask?: boolean | undefined;
  host?: string | undefined;
  path?: string | undefined;
  private responses;
  constructor(
    isMetaMask?: boolean | undefined,
    host?: string | undefined,
    path?: string | undefined
  );
  register(
    method: string,
    result: any,
    options: {
      shouldExec?: (params?: Array<any>) => boolean;
      isError?: boolean;
      n?: number;
      to?: string;
    }
  ): void;
  sendAsync(
    request: RPCRequest,
    callback: (error: any, response: any) => void
  ): void;
  send(
    request: RPCRequest,
    callback: (error: any, response: any) => void
  ): void;
  request(request: {method: string; params?: Array<any>}): Promise<any>;
  private getResponse;
}
export {};