code: def __init__(self, condition: Callable[[DataEntry], bool]) -> None:
      super().__init__()
      self.condition = condition
  
imports: import abc
  from dataclasses import dataclass
  from typing import Callable, Iterable, Iterator, List
  from gluonts.core.component import equals, validated
  from gluonts.dataset.common import DataEntry, Dataset
  from gluonts.env import env
label_desc: Use image node_id 1 to create a new FilterTransformation object from inherited base classes: FlatMapTransformation with example: obj = FilterTransformation(condition)