docstr: Returns overview section.
docstr_tok: ["Returns","overview","section","."]
code: def overview(self):
      """Returns overview section."""
      return self._overview_section
  
file_path: contextual-ai/xai/formatter/report/base.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from xai.formatter.report.section import OverviewSection, DetailSection
  from xai.formatter.writer.base import Writer
label_desc: Use image node_id 3 for calling the Report obj's underlying member method code with example usage: obj.overview() and returns: self