/**
 * Mutate the global areTestsRunning
 *
 * @param {boolean} running
 */
export function setAreTestRunning(running: boolean): void;
/**
 * Set the test logger
 *
 * @param {import("@compas/stdlib").Logger} logger
 */
export function setTestLogger(logger: import("@compas/stdlib").Logger): void;
/**
 * @typedef {object} TestAssertion
 * @property {string} type
 * @property {boolean} passed
 * @property {{
 *   actual: boolean
 * }|{
 *   actual?: any,
 *   expected?: any,
 *   message?: string
 * }|undefined} meta
 * @property {string|undefined} [message]
 */
/**
 * @typedef {(t: import("../../types/advanced-types.js").TestRunner) =>
 *   (void|any|Promise<any>)} TestCallback
 */
/**
 * @typedef {object} TestState
 * @property {TestState|undefined} [parent]
 * @property {boolean|undefined} [hasFailure]
 * @property {string} name
 * @property {TestCallback|undefined} [callback]
 * @property {Array<TestAssertion>} assertions
 * @property {Array<TestState>} children
 * @property {Error|undefined} [caughtException]
 */
/**
 * @type {import("@compas/stdlib").Logger}
 */
export let testLogger: import("@compas/stdlib").Logger;
/**
 * @type {boolean}
 */
export let areTestsRunning: boolean;
/**
 * @type {TestState}
 */
export const state: TestState;
export type TestAssertion = {
    type: string;
    passed: boolean;
    meta: {
        actual: boolean;
    } | {
        actual?: any;
        expected?: any;
        message?: string;
    } | undefined;
    message?: string | undefined;
};
export type TestCallback = (t: import("../../types/advanced-types.js").TestRunner) => (void | any | Promise<any>);
export type TestState = {
    parent?: TestState | undefined;
    hasFailure?: boolean | undefined;
    name: string;
    callback?: TestCallback | undefined;
    assertions: Array<TestAssertion>;
    children: Array<TestState>;
    caughtException?: Error | undefined;
};