code: def to_replace(self):
      return self._to_replace
  
imports: import numpy
  import pandas
  from ...None import opcodes
  from ...core import recursive_tile
  from ...core.operand import OperandStage
  from ...serialization.serializables import FieldTypes, AnyField, Int32Field, ListField
  from ...utils import no_default
  from ..operands import DataFrameOperand, DataFrameOperandMixin, SERIES_TYPE, SERIES_CHUNK_TYPE
  from ..utils import build_df, build_series, parse_index
label_desc: Use image node_id 2 for calling the DataFrameReplace obj's underlying member method code with example usage: obj.to_replace() and returns: self