code: def test_get_latest_versions(store):
      name = "test_for_latest_versions"
      rmd1 = store.create_registered_model(name)
      assert rmd1.latest_versions == []
  
      mv1 = _create_model_version(store, name)
      assert mv1.version == 1
      rmd2 = store.get_registered_model(name)
      assert _stage_to_version_map(rmd2.latest_versions) == {"None": 1}
  
      # add a bunch more
      mv2 = _create_model_version(store, name)
      assert mv2.version == 2
      store.transition_model_version_stage(
          name=mv2.name,
          version=mv2.version,
          stage="Production",
          archive_existing_versions=False,
      )
  
      mv3 = _create_model_version(store, name)
      assert mv3.version == 3
      store.transition_model_version_stage(
          name=mv3.name,
          version=mv3.version,
          stage="Production",
          archive_existing_versions=False,
      )
      mv4 = _create_model_version(store, name)
      assert mv4.version == 4
      store.transition_model_version_stage(
          name=mv4.name,
          version=mv4.version,
          stage="Staging",
          archive_existing_versions=False,
      )
  
      # test that correct latest versions are returned for each stage
      rmd4 = store.get_registered_model(name)
      assert _stage_to_version_map(rmd4.latest_versions) == {
          "None": 1,
          "Production": 3,
          "Staging": 4,
      }
      assert _stage_to_version_map(
          store.get_latest_versions(name=name, stages=None)
      ) == {
          "None": 1,
          "Production": 3,
          "Staging": 4,
      }
      assert _stage_to_version_map(
          store.get_latest_versions(name=name, stages=[])
      ) == {
          "None": 1,
          "Production": 3,
          "Staging": 4,
      }
      assert _stage_to_version_map(
          store.get_latest_versions(name=name, stages=["Production"])
      ) == {"Production": 3}
      assert _stage_to_version_map(
          store.get_latest_versions(name=name, stages=["production"])
      ) == {
          "Production": 3
      }  # The stages are case insensitive.
      assert _stage_to_version_map(
          store.get_latest_versions(name=name, stages=["pROduction"])
      ) == {
          "Production": 3
      }  # The stages are case insensitive.
      assert _stage_to_version_map(
          store.get_latest_versions(
              name=name, stages=["None", "Production"]
          )
      ) == {"None": 1, "Production": 3}
  
      # delete latest Production, and should point to previous one
      store.delete_model_version(name=mv3.name, version=mv3.version)
      rmd5 = store.get_registered_model(name=name)
      assert _stage_to_version_map(rmd5.latest_versions) == {
          "None": 1,
          "Production": 2,
          "Staging": 4,
      }
      assert _stage_to_version_map(
          store.get_latest_versions(name=name, stages=None)
      ) == {
          "None": 1,
          "Production": 2,
          "Staging": 4,
      }
      assert _stage_to_version_map(
          store.get_latest_versions(name=name, stages=["Production"])
      ) == {"Production": 2}
  
imports: import time
  import uuid
  from typing import List, NamedTuple
  from unittest import mock
  import pytest
  from mlflow.entities.model_registry import ModelVersion, ModelVersionTag, RegisteredModelTag
  from mlflow.exceptions import MlflowException
  from mlflow.protos.databricks_pb2 import INVALID_PARAMETER_VALUE, RESOURCE_DOES_NOT_EXIST, ErrorCode
  from mlflow.store.model_registry.file_store import FileStore
  from mlflow.utils.file_utils import path_to_local_file_uri, write_yaml
  from mlflow.utils.time import get_current_time_millis
  from tests.helper_functions import random_int, random_str
label_desc: Use image node_id 17 for calling a global function with example usage: test_get_latest_versions(store) without return types