class_docstr: Inherit from FFTransformerDecoder and add support for adapter
class_docstr_tok: ["Inherit","from","FFTransformerDecoder","and","add","support","for","adapter"]
code: def _update_adapter_cfg_input_dim(self, cfg: DictConfig):
      cfg = adapter_utils.update_adapter_cfg_input_dim(
          self, cfg, module_dim=self.d_model
      )
      return cfg
  
imports: from typing import List, Optional
  from omegaconf import DictConfig
  from nemo.collections.asr.parts.utils import adapter_utils
  from nemo.collections.tts.modules.aligner import AlignmentEncoder
  from nemo.collections.tts.modules.fastpitch import TemporalPredictor
  from nemo.collections.tts.modules.transformer import FFTransformerDecoder, FFTransformerEncoder
  from nemo.core.classes import adapter_mixins
label_desc: Use image node_id 5 for calling the FFTransformerDecoderAdapter obj's underlying member method code with example usage: obj._update_adapter_cfg_input_dim(cfg) and returns: cfg