class_docstr: Base InputProcessor class.
class_docstr_tok: ["Base","InputProcessor","class","."]
docstr: Resolves the latest Version of a Span.
docstr_tok: ["Resolves","the","latest","Version","of","a","Span","."]
code: def get_latest_version(
      self, span: int
  ) -> Optional[int]:  # pylint: disable=unused-argument
      """Resolves the latest Version of a Span."""
      return None
  
imports: import abc
  import copy
  from typing import Iterable, Optional, Tuple
  from tfx.components.example_gen import utils
  from tfx.proto import example_gen_pb2
  from tfx.proto import range_config_pb2
label_desc: Use image node_id 5 for calling the InputProcessor obj's underlying member method code with example usage: obj.get_latest_version(span) and returns: None