System.Runtime.Serialization.Json.DataContractJsonSerializerImpl.WriteObject C# (CSharp) Method

        public override void WriteObject(Stream stream, object graph)
        {
            CheckNull(stream, nameof(stream));
            XmlDictionaryWriter jsonWriter = JsonReaderWriterFactory.CreateJsonWriter(stream, Encoding.UTF8, false); //  ownsStream 
            WriteObject(jsonWriter, graph);
            jsonWriter.Flush();
        }

 public void WriteObject(Stream stream, object graph)
 {
     _serializer.WriteObject(stream, graph);
 }