code: def flatten(structure, expand_composites=False):
      """Add expand_composites support for JAX."""
      if expand_composites and JAX_MODE:
          from jax import (
              tree_util,
          )  # pylint: disable=g-import-not-at-top
  
          return tree_util.tree_leaves(structure)
      return dm_tree.flatten(structure)
  
imports: import collections
  from collections import abc
  import types
  import tree
label_desc: Use image node_id 2 for calling a global function with example usage: flatten(structure, expand_composites) and returns: dm_tree, tree_util