parameters: (cls)
docstring: The actual implementation of register_settings().
  
          This is what child classes should implement. They should not touch
          register_settings().
  
          Implementations typically make 1 or more calls to _register_setting().
docstring_summary: The actual implementation of register_settings().
docstring_tokens: The actual implementation of register_settings () .
function: def _register_settings(cls):
          """The actual implementation of register_settings().
  
          This is what child classes should implement. They should not touch
          register_settings().
  
          Implementations typically make 1 or more calls to _register_setting().
          """
          raise NotImplemented('%s must implement _register_settings.' %
              __name__)
function_tokens: def _register_settings ( cls ) : raise NotImplemented ( '%s must implement _register_settings.' % __name__ )