class_docstr: This class functions as a configuration set for headless runs.
  The default config class is wx-based, which means we have to replace it
  here with this psuedo-replacement that has the same interface
code: def ReadBool(self, kwd, default=False):
      return bool(self.__preferences.get(kwd, default))
  
file_path: CellProfiler/src/subpackages/core/cellprofiler_core/preferences/_headless_configuration.py
imports: import json
label_desc: Use image node_id 4 for calling the HeadlessConfiguration obj's underlying member method code with example usage: obj.ReadBool(kwd, default) and returns: bool