first flag that can be used by subclasses.
the object can be locked and unlocked with gst_mini_object_lock() and gst_mini_object_unlock().
the object is permanently locked in READONLY mode. Only read locks can be performed on the object.
the object is expected to stay alive even after gst_deinit() has been called and so should be ignored by leak detection tools. (Since: 1.10)
Flags for the mini object