.append_features	Mutex_m.append_features
.define_aliases	Mutex_m.define_aliases
.extend_object	Mutex_m.extend_object
#lock	Mutex_m#lock
#locked?	Mutex_m#locked?
#mu_extended	Mutex_m#mu_extended
#mu_lock	Mutex_m#lock
#mu_locked?	Mutex_m#locked?
#mu_synchronize	Mutex_m#mu_synchronize
#mu_try_lock	Mutex_m#mu_try_lock
#mu_unlock	Mutex_m#mu_unlock
#synchronize	Mutex_m#mu_synchronize
#try_lock	Mutex_m#mu_try_lock
#unlock	Mutex_m#mu_unlock
