grpc1.45.2/third_party/protoc-gen-validate/example-workspace/foo/bar.proto

syntax = "proto3";

package pgv.example.foo;

import "validate/validate.proto";

message BarNone {
  int32 value = 1;
}

message BarOne {
  int32 value = 1 [(validate.rules).int32 = { not_in: 1 }];
}

message Bars {
  BarNone bar_none = 1;
  BarOne bar_one = 2;
}