What is the type of the value returned by the closure used in the following code snippet? let names = ["Chris", "Alex", "Ewa", "Barry", "Daniella"] let reversedNames = names.sorted (by: { (51: String, s2: String) -> Bool in return si > s2 }) It returns a String value It returns an Int (integer) value. It returns a void (no return value) It returns a Bool (boolean) value