code: def test_replica_config_lazy_deserialization(self):
      def f():
          return "Check this out!"
  
      f_serialized = cloudpickle.dumps(f)
      config = ReplicaConfig(
          "f",
          f_serialized,
          cloudpickle.dumps(()),
          cloudpickle.dumps({}),
          {},
      )
  
      assert config.serialized_deployment_def == f_serialized
      assert config._deployment_def is None
  
      assert config.serialized_init_args == cloudpickle.dumps(tuple())
      assert config._init_args is None
  
      assert config.serialized_init_kwargs == cloudpickle.dumps(dict())
      assert config._init_kwargs is None
  
      assert isinstance(config.ray_actor_options, dict)
      assert isinstance(config.resource_dict, dict)
  
      assert config.deployment_def() == "Check this out!"
      assert config.init_args == tuple()
      assert config.init_kwargs == dict()
  
imports: import pytest
  from ray import cloudpickle
  from ray._private.pydantic_compat import ValidationError
  from ray._private.utils import import_attr
  from ray.serve._private.config import DeploymentConfig, ReplicaConfig, _proto_to_dict
  from ray.serve._private.constants import DEFAULT_AUTOSCALING_POLICY, DEFAULT_GRPC_PORT
  from ray.serve._private.utils import DEFAULT
  from ray.serve.autoscaling_policy import default_autoscaling_policy
  from ray.serve.config import AutoscalingConfig, DeploymentMode, HTTPOptions, ProxyLocation, gRPCOptions
  from ray.serve.generated.serve_pb2 import AutoscalingConfig
  from ray.serve.generated.serve_pb2 import DeploymentConfig
  from ray.serve.generated.serve_pb2 import DeploymentLanguage
  from ray.serve.generated.serve_pb2_grpc import add_UserDefinedServiceServicer_to_server
  from ray.serve.schema import DeploymentSchema, HTTPOptionsSchema, ServeApplicationSchema, ServeDeploySchema
label_desc: Use image node_id 5 for calling the TestReplicaConfig obj's underlying member method code with example usage: obj.test_replica_config_lazy_deserialization() and returns: str