the QConfig for an existing module name was already set, the new
      QConfig will override the old one.
  Return type:
     *QConfigMapping*

set_module_name_object_type_order(module_name, object_type, index, qconfig)
  Set the QConfig for modules matching a combination of the given
  module name, object type, and the index at which the module
  appears.

  If the QConfig for an existing (module name, object type, index)
  was already set, the new QConfig will override the old one.

  Return type:
     *QConfigMapping*

set_module_name_regex(module_name_regex, qconfig)
  Set the QConfig for modules matching the given regex string.

  Regexes will be matched in the order in which they are
  registered through this method. Thus, the caller should register
  more specific patterns first, e.g.:

     qconfig_mapping = QConfigMapping()
         .set_module_name_regex("foo.*bar.*conv[0-9]+", qconfig1)
