テーマ： protobuf
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Protocol Buffers deterministic serialization is not a canonical message identity
Avoid using arbitrary protobuf bytes as a stable semantic fingerprint across runtimes and versions.
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Protocol Buffers enums: handle unknown numeric values according to runtime behavior
Plan forward-compatible enum handling using the selected schema mode and language implementation.
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Protocol Buffers field presence: distinguish setting zero from leaving a field unchanged
Design partial updates around explicit presence or an update mask instead of guessing from scalar default values.
機械可読： JSON