Google.Protobuf.JsonFormatter.WriteMessage C# (CSharp) Method

        private void WriteMessage(TextWriter writer, IMessage message)
        {
            if (message == null)
            {
                WriteNull(writer);
                return;
            }
            if (DiagnosticOnly)
            {
                ICustomDiagnosticMessage customDiagnosticMessage = message as ICustomDiagnosticMessage;
                if (customDiagnosticMessage != null)
                {
                    writer.Write(customDiagnosticMessage.ToDiagnosticString());
                    return;
                }
            }
            writer.Write("{ ");
            bool writtenFields = WriteMessageFields(writer, message, false);
            writer.Write(writtenFields ? " }" : "}");
        }