code: def __init__(self, buckets=None, *_, **__):
      self._buckets = buckets or []
      self._prefixes = None
  
imports: import abc
  import warnings
  from copy import copy
  from operator import itemgetter
  from os import getenv
  import furl
  import six
  from attr import attrib, attrs
label_desc: Use image node_id 1 to create a new BaseBucketConfigurations object from inherited base classes: object with example: obj = BaseBucketConfigurations(buckets)