import { ValidationException } from './ValidationException';
/**
 * Is the value a bound function?
 * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_objects/Function/bind
 *
 * @example
 * ```ts
 * isBoundFunction(function () { return 'a'; }.bind(this)) // true
 * isBoundFunction(function () {}) // false
 * ```
 *
 * @param value the value to check
 * @returns a boolean indicating whether the value is the expected type
 */
export declare const isBoundFunction: (value: unknown) => value is Function;
/**
 * Validate that the value is a bound function.
 * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_objects/Function/bind
 *
 * @example
 * ```ts
 * validateBoundFunction(someFunction.bind(this)) // null
 * validateBoundFunction(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 validateBoundFunction: (value: unknown) => ValidationException | null;
/**
 * Assert that the value is a bound function.
 * See: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_objects/Function/bind
 *
 * @example
 * ```ts
 * assertBoundFunction(someFunction.bind(this)) // void
 * assertBoundFunction(function () {}) // throws AssertionException
 * ```
 *
 * @param value the value to check
 * @throws an `AssertionException` if the value is not the expected type
 */
export declare const assertBoundFunction: (value: unknown) => asserts value is Function;