@property<EOL><INDENT>def config_map_key_ref(self):<DEDENT>
return self._config_map_key_ref<EOL>
Gets the config_map_key_ref of this V1EnvVarSource.
Selects a key of a ConfigMap.

:return: The config_map_key_ref of this V1EnvVarSource.
:rtype: V1ConfigMapKeySelector