class_docstr: Interface for the head/top of a ranking model.
class_docstr_tok: ["Interface","for","the","head\/top","of","a","ranking","model","."]
code: def name(self):
      return self._name
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import abc
  import six
  import tensorflow
  from tensorflow import estimator
label_desc: Use image node_id 2 for calling the _RankingHead obj's underlying member method code with example usage: obj.name() and returns: self