code: def forward(self, x):
      x = self.backbone(x)
      y = self.average_pool(x).flatten(start_dim=1)
      z = self.projection_head(y)
      y_local = x.permute(0, 2, 3, 1)  # (B, D, W, H) to (B, W, H, D)
      z_local = self.local_projection_head(y_local)
      return z, z_local
  
file_path: lightly/examples/pytorch_lightning/vicregl.py
imports: import pytorch_lightning
  import torch
  import torchvision
  from torch import nn
  from lightly.loss import VICRegLLoss
  from lightly.models.modules import BarlowTwinsProjectionHead
  from lightly.models.modules.heads import VicRegLLocalProjectionHead
  from lightly.transforms.vicregl_transform import VICRegLTransform
label_desc: Use image node_id 2 for calling the VICRegL obj's underlying member method code with example usage: obj.forward(x) and returns: z,  z_local