code: def _AsTokenIDs():
      """Returns a layer that makes mask values look like token ID ints."""
      return tl.Fn("AsTokenIDs", lambda x: x.astype(jnp.int32))
  
imports: import functools
  from trax import layers
  from trax.fastmath import numpy
  from trax.models.reformer import reformer
  from trax.models.research import configurable_transformer
  from trax.models.research import transformer2
label_desc: Use image node_id 4 for calling a global function with example usage: _AsTokenIDs() and returns: tl