import { ValidationException } from './ValidationException';
/**
 * Is the value an Array?
 * See: https://developer.mozilla.org/en-US/docs/Glossary/array
 *
 * @example
 * ```ts
 * isArray([1]) // true
 * isArray(1) // false
 * ```
 *
 * @param value the value to check
 * @returns a boolean indicating whether the value is the expected type
 */
export declare const isArray: <T>(value: unknown | T[]) => value is T[];
/**
 * Validate that the value is an Array.
 * See: https://developer.mozilla.org/en-US/docs/Glossary/array
 *
 * @example
 * ```ts
 * validateArray([1]) // null
 * validateArray(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 validateArray: <T>(value: unknown | T[]) => ValidationException | null;
/**
 * Assert that the value is an Array.
 * See: https://developer.mozilla.org/en-US/docs/Glossary/array
 *
 * @example
 * ```ts
 * assertArray([1]) // void
 * assertArray(1) // throws AssertionException
 * ```
 *
 * @param value the value to check
 * @throws an `AssertionException` if the value is not the expected type
 */
export declare const assertArray: <T>(value: unknown | T[]) => asserts value is T[];