code: def _create_and_get_metadir(
      flow_name=None, run_id=None, step_name=None, task_id=None
  ):
      from metaflow.plugins.datastores.local_storage import LocalStorage
  
      root_path = LocalMetadataProvider._make_path(
          flow_name, run_id, step_name, task_id
      )
      subpath = os.path.join(root_path, LocalStorage.METADATA_DIR)
      LocalMetadataProvider._makedirs(subpath)
      return subpath
  
imports: import collections
  import glob
  import json
  import os
  import random
  import tempfile
  import time
  from collections import namedtuple
  from metaflow.exception import MetaflowInternalError, MetaflowTaggingError
  from metaflow.metadata.metadata import ObjectOrder
  from metaflow.metaflow_config import DATASTORE_LOCAL_DIR
  from metaflow.metadata import MetadataProvider
  from metaflow.tagging_util import MAX_USER_TAG_SET_SIZE, validate_tags
label_desc: Use image node_id 20 for calling the LocalMetadataProvider obj's underlying member method code with example usage: obj._create_and_get_metadir(flow_name, run_id, step_name, task_id) and returns: subpath