import { ethers } from 'ethers';
import { EthereumListener } from '../src/interfaces/listener';
export declare class TestListener<T> implements EthereumListener<T> {
    private readonly sleepMillis;
    private received;
    private syncCompleted;
    constructor(sleepMillis?: number);
    onSyncCompleted(): Promise<void>;
    handle(t: T): Promise<void>;
    getReceived(): T[];
    waitForReceive(num?: number): Promise<T[]>;
    waitForSyncToComplete(): Promise<T[]>;
    assertNotReceivedAfter(millis: number): Promise<void>;
}
export declare const deployTokenContract: (ownerWallet: ethers.Wallet, initialSupply: number) => Promise<ethers.Contract>;