List the runtime (hidden) methods of an objc object

ObjcMethods.swift

  let clazz: AnyClass = UIDocumentInteractionController.self // <- Replace the class name with the class you want to get the methods of
  var count: UInt32 = 0
  if let methods = class_copyMethodList(clazz, &count) {
      for i in 0..<Int(count) {
          let sel = method_getName(methods[i])
          print(NSStringFromSelector(sel))
      }
      free(methods)
  }