code: def detach_state(self):
      raise NotImplementedError
  
imports: import torch
  import torch.nn
  from onmt.decoders.decoder import DecoderBase
  from onmt.modules import MultiHeadedAttention, AverageAttention
  from onmt.modules.position_ffn import PositionwiseFeedForward
  from onmt.modules.position_ffn import ActivationFunction
  from onmt.modules.moe import MoE
  from onmt.utils.misc import sequence_mask
  from onmt.modules.rmsnorm import RMSNorm
label_desc: Use image node_id 5 for calling the TransformerDecoderBase obj's underlying member method code with example usage: obj.detach_state() without return types