Format diff -1/+1.

Format diff -2/+2.

Format diff -1/+1.

Previously present file "buf/validate/expression.proto" was deleted.

Previously present file "buf/validate/priv/private.proto" was deleted.

Extension "1160" with name "buf.validate.shared.field" on message "google.protobuf.FieldOptions" changed type from "buf.validate.priv.FieldConstraints" to "buf.validate.shared.FieldConstraints".

Extension "1160" on message "google.protobuf.FieldOptions" changed name from "buf.validate.priv.field" to "buf.validate.shared.field".

File syntax changed from "proto3" to "proto2".

Message "MessageConstraints" JSON format support changed from ALLOW to LEGACY_BEST_EFFORT.