export declare function sleep(interval?: number): Promise<void>;
/**
 * @param process 实际运行的 "测试逻辑"
 * @param step
 */
export declare function run(process: (collectPromise: (...promise: Array<Promise<any>>) => {
    promise: Promise<void>;
}) => (Promise<void> | void), { step, total, asyncStep, }?: {
    step?: number;
    total?: number;
    asyncStep?: number;
}): () => Promise<void>;