class_docstr: An adder that ignores extras.
class_docstr_tok: ["An","adder","that","ignores","extras","."]
code: def add_first(self, timestep: dm_env.TimeStep):
      self._adder.add_first(timestep)
  
file_path: acme/acme/adders/wrappers.py
imports: from typing import Iterable
  from acme import types
  from acme.adders import base
  import dm_env
label_desc: Use image node_id 3 for calling the IgnoreExtrasAdder obj's underlying member method code with example usage: obj.add_first(timestep) without return types