/**
 * Iterates over an object's properties and calls the `iteratee` function for each property.
 *
 * It only iterates over the object's own properties, not including inherited properties or properties with `Symbol` keys.
 *
 * The `iteratee` function can terminate the iteration early by returning `false`.
 *
 * @template T - The type of the object.
 * @param {T} object The object to iterate over.
 * @param {(value: T[keyof T], key: string, collection: T) => any} [iteratee=identity] The function invoked per iteration. If not provided, the identity function will be used.
 * @return {T} Returns object.
 *
 * @example
 * function Foo() {
 *   this.a = 1;
 *   this.b = 2;
 * }
 *
 * Foo.prototype.c = 3;
 *
 * forOwn(new Foo(), function(value, key) {
 *   console.log(key);
 * });
 * // => Logs 'a' then 'b' (iteration order is not guaranteed).
 */
declare function forOwn<T>(object: T, iteratee?: (value: T[keyof T], key: string, collection: T) => any): T;
/**
 * Iterates over an object's properties and calls the `iteratee` function for each property.
 *
 * It only iterates over the object's own properties, not including inherited properties or properties with `Symbol` keys.
 *
 * The `iteratee` function can terminate the iteration early by returning `false`.
 *
 * @template T - The type of the object.
 * @param {T | null | undefined} object The object to iterate over.
 * @param {(value: T[keyof T], key: string, collection: T) => any} [iteratee=identity] The function invoked per iteration. If not provided, the identity function will be used.
 * @return {T | null | undefined} Returns object.
 *
 * @example
 * function Foo() {
 *   this.a = 1;
 *   this.b = 2;
 * }
 *
 * Foo.prototype.c = 3;
 *
 * forOwn(new Foo(), function(value, key) {
 *   console.log(key);
 * });
 * // => Logs 'a' then 'b' (iteration order is not guaranteed).
 */
declare function forOwn<T>(object: T | null | undefined, iteratee?: (value: T[keyof T], key: string, collection: T) => any): T | null | undefined;

export { forOwn };