/// <reference types="node" />
import { CeloTxReceipt, PromiEvent } from '@celo/connect';
import { EventEmitter } from 'events';
interface PromiEventStub<T> extends PromiEvent<T> {
    emitter: EventEmitter;
    resolveHash(hash: string): void;
    resolveReceipt(receipt: CeloTxReceipt): void;
    rejectHash(error: any): void;
    rejectReceipt(receipt: CeloTxReceipt, error: any): void;
}
export declare function promiEventSpy<T>(): PromiEventStub<T>;
export {};