import { ExecutionEventsClient } from '../../proto/rpcevents_grpc_pb';
import { EventsResponse } from '../../proto/rpcevents_pb';
import { LogEvent } from '../../proto/exec_pb';
import { Error } from './Burrow';
import * as grpc from 'grpc';
export declare type EventStream = grpc.ClientReadableStream<EventsResponse>;
export declare class Events {
    burrow: ExecutionEventsClient;
    constructor(burrow: ExecutionEventsClient);
    listen(query: string, callback: (err: Error, log: LogEvent) => void): EventStream;
    subContractEvents(address: string, signature: string, callback: (err: Error, log: LogEvent) => void): EventStream;
}