class_docstr: Forking sequence splitter.
class_docstr_tok: ["Forking","sequence","splitter","."]
code: def _future(self, col_name):
      return f"future_{col_name}"
  
file_path: gluonts/src/gluonts/mx/model/seq2seq/_transform.py
imports: from collections import Counter
  from typing import Iterator, List, Optional
  import numpy
  from numpy.lib.stride_tricks import as_strided
  from gluonts.core.component import validated
  from gluonts.dataset.common import DataEntry
  from gluonts.dataset.field_names import FieldName
  from gluonts.transform import FlatMapTransformation
label_desc: Use image node_id 3 for calling the ForkingSequenceSplitter obj's underlying member method code with example usage: obj._future(col_name) and returns: str, col_name