class_docstr: Base class for all other splitter.
code: def generate_training_entries(
      self, dataset: Dataset
  ) -> Generator[DataEntry, None, None]:
      yield from map(self.training_entry, dataset)
  
imports: from abc import ABC, abstractmethod
  from dataclasses import dataclass
  from typing import Generator, Optional, Tuple
  import pandas
  from gluonts.dataset import Dataset, DataEntry
  from gluonts.dataset.field_names import FieldName
label_desc: Use image node_id 4 for calling the AbstractBaseSplitter obj's underlying member method code with example usage: obj.generate_training_entries(dataset) without return types