| OLD | NEW |
| 1 size_t GetSerializedSize_(const {{union.name}}Ptr& input, bool inlined); | 1 size_t GetSerializedSize_(const {{union.name}}Ptr& input, bool inlined); |
| 2 void SerializeUnion_({{union.name}}* input, mojo::internal::Buffer* buffer, | 2 mojo::internal::ValidationError SerializeUnion_( |
| 3 internal::{{union.name}}_Data** output, bool inlined); | 3 {{union.name}}* input, |
| 4 mojo::internal::Buffer* buffer, |
| 5 internal::{{union.name}}_Data** output, bool inlined); |
| 4 void Deserialize_(internal::{{union.name}}_Data* input, | 6 void Deserialize_(internal::{{union.name}}_Data* input, |
| 5 {{union.name}}* output); | 7 {{union.name}}* output); |
| OLD | NEW |