public override ArraySegment<byte> WriteMessage(Message message, int maxMessageSize, BufferManager bufferManager, int messageOffset)
            {
                if (message == null)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentNullException("message"));
                }
                if (bufferManager == null)
                {
                    throw TraceUtility.ThrowHelperError(new ArgumentNullException("bufferManager"), message);
                }
                if (maxMessageSize < 0)
                {
                    throw TraceUtility.ThrowHelperError(new ArgumentOutOfRangeException("maxMessageSize", maxMessageSize,
                        SR2.GetString(SR2.ValueMustBeNonNegative)), message);
                }
                if (messageOffset < 0 || messageOffset > maxMessageSize)
                {
                    throw TraceUtility.ThrowHelperError(new ArgumentOutOfRangeException("messageOffset", messageOffset,
                        SR2.GetString(SR2.JsonValueMustBeInRange, 0, maxMessageSize)), message);
                }

                ThrowIfMismatchedMessageVersion(message);
                message.Properties.Encoder = this;
                BufferedMessageWriter messageWriter = new WebScriptMetadataBufferedMessageWriter(this);
                ArraySegment<byte> messageData = messageWriter.WriteMessage(message, bufferManager, messageOffset, maxMessageSize);
                if (MessageLogger.LogMessagesAtTransportLevel)
                {
                    MessageLogger.LogMessage(ref message, MessageLoggingSource.TransportSend);
                }
                if (System.ServiceModel.Diagnostics.Application.TD.MessageWrittenByEncoderIsEnabled() && messageData != null)
                {
                    System.ServiceModel.Diagnostics.Application.TD.MessageWrittenByEncoder(EventTraceActivityHelper.TryExtractActivity(message), messageData.Count, this);
                }
                return messageData;
            }