def revoke_access_by_id(self, mapping_id):
     raise exceptions.UnsupportedOperation()
 def revoke_access(self, app_name, user_name, allow_home, allow_view,
                   volume):
     raise exceptions.UnsupportedOperation()
 def remove_application(self, *, app_name=None, id=None):
     raise exceptions.UnsupportedOperation()
 def create_application(self, app_name):
     raise exceptions.UnsupportedOperation()
 def remove_user(self, *, user_name=None, id=None):
     raise exceptions.UnsupportedOperation()
 def create_user(self, user_name):
     raise exceptions.UnsupportedOperation()