declare const _default: (func: any, event?: any) => any;
/**
 * @param {Function} func - Callback function to be passed
 * @param event - Event to be passed.
 * @returns {(Function|undefined)} Function with event or undefined.
 * @description Set function and returning event based on passed parameters, set undefined if no function parameter passed. Use this method if you wanted to validate passed function to another function.
 */
export default _default;