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- # Copyright (c) 2025-2026 Buf Technologies, Inc.
- #
- # 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
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- # Small set of helpers and Python 3.10 compatibility shims
- from __future__ import annotations
- from typing import NoReturn as Never, TypeAlias
- JsonPrimitive: TypeAlias = bool | int | float | str | None
- JsonValue: TypeAlias = JsonPrimitive | list["JsonValue"] | dict[str, "JsonValue"]
- def assert_never(value: Never) -> Never:
- msg = f"unexpected value: {value!r}"
- raise AssertionError(msg)
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