@abstractproperty
  def target_type(self):
Handle basic.return method. If we have a complete message, will call the
dataset/ETHPy150Open pantsbuild/pants/contrib/go/tests/python/pants_test/contrib/go/targets/go_local_source_test_base.py/GoLocalSourceTestBase.target_type--crossover with--dataset/ETHPy150Open agoragames/haigha/haigha/classes/basic_class.py/BasicClass._recv_return