@classmethod<EOL><INDENT>def loadCustomConfig(cls):<DEDENT>
cls.readConfigFile(_CustomConfigurationFileWrapper.customFileName)<EOL>
Loads custom configuration settings from their persistent storage.

.. warning :: DO NOT CALL THIS: It's typically not necessary to call this 
   method directly. This method exists *solely* for the benefit of 
   ``prepare_conf.py``, which needs to load configuration files selectively.