code: def _add_message(self, role: str, content: str) -> None:
      self.task_state.messages.append(Message(role, content))
  
file_path: evals/evals/elsuite/bluff/solver_player.py
imports: import re
  import evals.elsuite.bluff.prompts
  from evals.elsuite.bluff.bluff.cards import get_bluff_move
  from evals.elsuite.bluff.bluff.game import Game
  from evals.elsuite.bluff.bluff.players import Player
  from evals.solvers.solver import Solver
  from evals.task_state import Message, TaskState
label_desc: Use image node_id 7 for calling the SolverPlayer obj's underlying member method code with example usage: obj._add_message(role, content) without return types