code: def warp_extra(self):
      return {"alpha": self.warp_alpha, "time_alpha": self.time_alpha}
  
file_path: nerfies/nerfies/model_utils.py
imports: from flax import linen
  from flax import optim
  from flax import struct
  from jax import lax
  from jax import random
  import jax.numpy
label_desc: Use image node_id 1 for calling the TrainState obj's underlying member method code with example usage: obj.warp_extra() and returns: dict