code: def deprecated(func):
      
      def deprecation_warning(*args, **kwargs):
          warnings.warn('Call to deprecated function {name}. Please consult our documentation at '
                        'http://pyapi-gitlab.readthedocs.io/en/latest/#gitlab.Gitlab.{name}'.format(name=func.__name__),
                        category=DeprecationWarning)
          return func(*args, **kwargs)
      deprecation_warning.__name__ = func.__name__
      deprecation_warning.__doc__ = func.__doc__
      deprecation_warning.__dict__ = func.__dict__
      return deprecation_warning
docs: This is a decorator which can be used to mark functions as deprecated. It will result in a warning being emitted
      when the function is used.
  
      :param func: The function to run
      :return: function