import { ValidationException } from './ValidationException';
/**
 * Is the value a Set?
 * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set
 *
 * @example
 * ```ts
 * isSet(new Set()) // true
 * isSet(1) // false
 * ```
 *
 * @param value the value to check
 * @returns a boolean indicating whether the value is the expected type
 */
export declare const isSet: <T>(value: unknown | Set<T>) => value is Set<T>;
/**
 * Validate that the value is a Set.
 * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set
 *
 * @example
 * ```ts
 * validateSet(new Set()) // null
 * validateSet(1) // ValidationException
 * ```
 *
 * @param value the value to check
 * @returns `null` if the value is the expected type or a `ValidationException`
 * if not
 */
export declare const validateSet: (value: unknown) => ValidationException | null;
/**
 * Assert that the value is a Set.
 * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set
 *
 * @example
 * ```ts
 * assertSet(new Set()) // void
 * assertSet(1) // throws AssertionException
 * ```
 *
 * @param value the value to check
 * @throws an `AssertionException` if the value is not the expected type
 */
export declare const assertSet: <T>(value: unknown | Set<T>) => asserts value is Set<T>;