import { Test, TestCollection, TestResults } from '../types';
export declare const describe: DescribeFn;
export interface DescribeFn {
    (what: string, tests: Array<Test | TestCollection>): TestCollection;
    (what: string): (tests: Array<Test | TestCollection>) => TestCollection;
}
export declare class Describe implements TestCollection {
    name: string;
    tests: ReadonlyArray<Test | TestCollection>;
    constructor(name: string, tests: ReadonlyArray<Test | TestCollection>);
    run(timeout: number): Promise<TestResults>;
}