import type { Test } from "./Test.js";
/**
 * Check if given value is a `Test`.
 *
 * @category Test
 * @example
 * ```typescript
 * isTest({ given: "🟢", must: "🟩", received: () => "🟩", wanted: () => "🟩" }); // true
 * isTest({ given: "🟢", must: "🟩", received: "🟩", wanted: "🟩" }); // false
 * isTest({ given: 1, must: 2, received: 3, wanted: 4 }); // false
 * isTest(); // false
 * ```
 * @param value Value to check.
 * @returns `true` if is a `Test`, `false` otherwise.
 */
export declare const isTest: <Actual = unknown>(value: Actual | Test) => value is Test;