class SampleConfig(Config): composed_config1 = group_key(ChildConfig1) composed_config2 = group_key(ChildConfig2)
class ParentConfig(Config): prop1 = key('parent', 'PROP1') child_config = group_key(ChildConfig)
class ParentConfig(Config): c1 = group_key(Child1) c2 = group_key(Child2)
class ChildConfig(Config): prop1 = key('child', 'PROP1') grandchild_config = group_key(GrandchildConfig)