Function deprecate

lib/util.js:588–590

(fn, msg, code, { modifyPrototype } = kEmptyObject)

// Public util.deprecate API
function deprecate(fn, msg, code, { modifyPrototype } = kEmptyObject) {
  return internalDeprecate(fn, msg, code, undefined, modifyPrototype);
}

// Keep the `exports =` so that various functions can still be monkeypatched
module.exports = {