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