code: def __mars_tokenize__(self):
      return (
          list(self._options.keys()),
          list(self._stringfy(v) for v in self._options.values()),
      )
  
imports: import pickle
  from typing import Dict
  import numpy
  from ...None import opcodes
  from ...serialization.serializables import FieldTypes, KeyField, StringField, BytesField, TupleField
  from ...lib.filesystem import get_fs, FSMap
  from ...utils import has_unknown_shape
  from .core import TensorDataStore
label_desc: Use image node_id 4 for calling the ZarrOptions obj's underlying member method code with example usage: obj.__mars_tokenize__() and returns: list,  list