# Copyright 2021 DeepMind Technologies Limited.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
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# distributed under the License is distributed on an "AS IS" BASIS,
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"""Initialize modules under the alphastar.collections library.

We expose Structure, an immutable dict with sorted keys, used to hold nested
observations, actions and state. We also expose utilities to register this
structure as a jax pytree node.
"""

from alphastar.collections.structure import Struct
