class_docstr: Hyper Parameter Tuning
class_docstr_tok: ["Hyper","Parameter","Tuning"]
docstr: Returns parameter name and the search space.
docstr_tok: ["Returns","parameter","name","and","the","search","space","."]
code: def search_space(self):
      """Returns parameter name and the search space."""
      return self._search_space
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from xai.formatter.contents.base import Content
  from xai.formatter.writer.base import Writer
label_desc: Use image node_id 4 for calling the HyperParameterTuning obj's underlying member method code with example usage: obj.search_space() and returns: self