code: def is_class_method_bound(method, arg_name=BOUND_METHOD_ARGUMENT_NAME):
      
      if not method.args.args:
          return False
  
      first_arg = method.args.args[0]
  
      first_arg_name = get_object_name(first_arg)
  
      return first_arg_name == arg_name
docs: Return whether a class method is bound to the class