code: def test_lift_empty(self):
      def f():
          mod = transform_flax.lift(Empty(), name="foo")
          mod()
  
      f = transform.transform_with_state(f)
      params, state = f.init(jax.random.PRNGKey(42))
      self.assertEmpty(params)
      self.assertEmpty(state)
  
imports: from absl.testing import absltest
  from absl.testing import parameterized
  import flax.errors
  import flax.linen
  from haiku._src import base
  from haiku._src import module
  from haiku._src import transform
  from haiku._src.flax import transform_flax
  import jax
  import jax.numpy
label_desc: Use image node_id 1 for calling the TransformFlaxTest obj's underlying member method code with example usage: obj.test_lift_empty() without return types