docstr: Returns the default information for this provider
  
  This should compute and return the default value for the information regarding this provider.
  For example, this can compute where the metadata is stored
  
  Returns
  -------
  str
      Value to be set by default in INFO
code: def default_info(cls):
      """
      Returns the default information for this provider
  
      This should compute and return the default value for the information regarding this provider.
      For example, this can compute where the metadata is stored
  
      Returns
      -------
      str
          Value to be set by default in INFO
      """
      return ""
  
imports: import json
  import os
  import re
  import time
  from collections import namedtuple
  from itertools import chain
  from metaflow.exception import MetaflowInternalError, MetaflowTaggingError
  from metaflow.tagging_util import validate_tag
  from metaflow.util import get_username, resolve_identity_as_tuple, is_stringish
label_desc: Use image node_id 2 for calling the MetadataProvider obj's underlying member method code with example usage: obj.default_info(cls) and returns: str