prelude.smithy, prelude_data.mbt, contracts.smithy and contracts_data.mbt
contain the Smithy prelude and contract traits from
https://github.com/smithy-lang/smithy, distributed under Apache-2.0.
PRELUDE_SHA records the upstream revision.

protocol_test_traits.smithy and protocol_test_traits_data.mbt contain the
Smithy protocol test traits under the same license. PROTOCOL_TEST_SHA records
their upstream revision.

Smithy
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
