Support Protobuf Edition Zero #1537
Description
To facilitate testing Protobuf Editions support in GAPIC generators, add a new proto package to showcase that uses Edition Zero.
- Copy
identity.protoand modify it to declare Edition Zero syntax. - Change
optional int32 age = 6;toint32 age = 6;. - Add usage of
features.field_presence. - Add usage of
features.enum_type. - Add usage of
features.repeated_field_encoding. - Add usage of
features.string_field_validation. - Add usage of
features.json_format. - Add usage of
features.message_encoding.