docs: def set_locked_variable(self, key, access_key, value):
          """Set an already locked global variable
  
          :param key: the key of the global variable to be set
          :param access_key: the access key to the already locked global variable
          :param value: the new value of the global variable
          """
          return self.set_variable(key, value, per_reference=False, access_key=access_key)