code: def _indexes(self):
      # used for index_lib
      indexes = []
      names = ("index", "columns")
      for ax in range(self.input.ndim):
          index = names[ax]
          val = getattr(self, index)
          if val is not None:
              indexes.append(val)
          else:
              indexes.append(slice(None))
      return indexes
  
imports: import numpy
  import pandas
  from ...None import opcodes
  from ...core import ENTITY_TYPE, recursive_tile
  from ...core.operand import OperandStage
  from ...serialization.serializables import KeyField, AnyField, StringField, Int64Field, BoolField
  from ...tensor import tensor
  from ...utils import lazy_import, pd_release_version
  from ..core import Index, INDEX_TYPE
  from ..initializer import Index
  from ..operands import DataFrameOperand, DataFrameOperandMixin
  from ..utils import validate_axis_style_args, parse_index
  from .index_lib import DataFrameReindexHandler
label_desc: Use image node_id 11 for calling the DataFrameReindex obj's underlying member method code with example usage: obj._indexes() and returns: indexes