code: def forward_decoder(self, x_encoded):
      return self.decoder(x_encoded)
  
file_path: lightly/examples/pytorch/simmim.py
imports: import torch
  import torchvision
  from torch import nn
  from lightly.models import utils
  from lightly.models.modules import masked_autoencoder
  from lightly.transforms.mae_transform import MAETransform
label_desc: Use image node_id 3 for calling the SimMIM obj's underlying member method code with example usage: obj.forward_decoder(x_encoded) and returns: self