code: def get_registered_constructors() -> Dict[str, callable]:
      """Obtains the registered dataset constructors.
  
      Returns:
          A dictionary mapping constructor names to constructor functions.
  
      """
      return _dataset_registry.constructors
  
file_path: mlflow/mlflow/data/dataset_registry.py
imports: import inspect
  import warnings
  from contextlib import suppress
  from typing import Dict, Optional
  import entrypoints
  import mlflow.data
  from mlflow.data.dataset import Dataset
  from mlflow.exceptions import MlflowException
  from mlflow.protos.databricks_pb2 import INVALID_PARAMETER_VALUE
label_desc: Use image node_id 2 for calling a global function with example usage: get_registered_constructors() and returns: _dataset_registry