syntax = "proto3"; package google.protobuf; option go_package = "google.golang.org/protobuf/types/known/sourcecontextpb"; option java_package = "com.google.protobuf"; option java_outer_classname = "SourceContextProto"; option java_multiple_files = true; option objc_class_prefix = "GPB"; option csharp_namespace = "Google.Protobuf.WellKnownTypes"; message SourceContext { optional string file_name = 1; }