code: def forward(self, x):
      x1 = self.resblock1(x)
      x2 = self.resblock2(x)
      x3 = self.resblock3(x)
      return x1 + x2 + x3
  
file_path: TTS/TTS/vocoder/layers/hifigan.py
imports: from torch import nn
  from torch.nn.utils.parametrize import remove_parametrizations
label_desc: Use image node_id 2 for calling the MRF obj's underlying member method code with example usage: obj.forward(x) and returns: unknown