import { AssertionAPI } from './assertions';
import { ErrorObject } from 'serialize-error';
export type TestResults = {
    description: string;
    assertions: Assertion[];
    error?: ErrorObject;
};
export type Assertion = {
    pass: boolean;
    description: string;
    diagnostic?: string;
    stack?: string;
};
export declare function test(description: string, experiment: (assert: AssertionAPI) => void): Promise<void>;