Adds an rdf value to the queue.

    Adds an rdf value to the queue. Does not require that the queue be locked.

    Args:
      rdf_value: The rdf value to add to the queue.

      mutation_pool: A MutationPool object to write to.

    Raises:
      ValueError: rdf_value has unexpected type.

def Add(self, rdf_value, mutation_pool=None):
    """Adds an rdf value to the queue.

    Adds an rdf value to the queue. Does not require that the queue be locked.

    Args:
      rdf_value: The rdf value to add to the queue.

      mutation_pool: A MutationPool object to write to.

    Raises:
      ValueError: rdf_value has unexpected type.

    """
    self.StaticAdd(self.urn, rdf_value, mutation_pool=mutation_pool)