class_docstr: Credential which represent a sequence of Credentials where front one is exposed to user
      
class_docstr_tok: ["Credential","which","represent","a","sequence","of","Credentials","where","front","one","is","exposed","to","user"]
code: def is_expired(self):
      return any(c.is_expired for c in self._credentials)
  
imports: import time
  from ..support.exceptions import AccessDeniedError, CapturedException
  from ..support.keyring_ import keyring
  from ..ui import ui
  from ..utils import auto_repr
  from ..support.network import iso8601_to_epoch
  from datalad import cfg
  from datalad.config import anything2bool
  from datalad.distribution.dataset import Dataset
  from datalad.local.gitcredential import GitCredentialInterface
  from logging import getLogger
label_desc: Use image node_id 4 for calling the CompositeCredential obj's underlying member method code with example usage: obj.is_expired() and returns: any