private object CreateDynamic(JsonReader reader, JsonDynamicContract contract, string id)
    {
      IDynamicMetaObjectProvider newObject = null;

      if (contract.UnderlyingType.IsInterface || contract.UnderlyingType.IsAbstract)
        throw CreateSerializationException(reader, "Could not create an instance of type {0}. Type is an interface or abstract class and cannot be instantated.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));

      if (contract.DefaultCreator != null &&
        (!contract.DefaultCreatorNonPublic || Serializer.ConstructorHandling == ConstructorHandling.AllowNonPublicDefaultConstructor))
        newObject = (IDynamicMetaObjectProvider) contract.DefaultCreator();
      else
        throw CreateSerializationException(reader, "Unable to find a default constructor to use for type {0}.".FormatWith(CultureInfo.InvariantCulture, contract.UnderlyingType));

      if (id != null)
        Serializer.ReferenceResolver.AddReference(this, id, newObject);

      contract.InvokeOnDeserializing(newObject, Serializer.Context);

      int initialDepth = reader.Depth;

      bool exit = false;
      do
      {
        switch (reader.TokenType)
        {
          case JsonToken.PropertyName:
            string memberName = reader.Value.ToString();

            try
            {
              if (!reader.Read())
                throw CreateSerializationException(reader, "Unexpected end when setting {0}'s value.".FormatWith(CultureInfo.InvariantCulture, memberName));

              // first attempt to find a settable property, otherwise fall back to a dynamic set without type
              JsonProperty property = contract.Properties.GetClosestMatchProperty(memberName);

              if (property != null && property.Writable && !property.Ignored)
              {
                if (property.PropertyContract == null)
                  property.PropertyContract = GetContractSafe(property.PropertyType);

                JsonConverter propertyConverter = GetConverter(property.PropertyContract, property.MemberConverter);

                SetPropertyValue(property, propertyConverter, reader, newObject);
              }
              else
              {
                Type t = (JsonReader.IsPrimitiveToken(reader.TokenType)) ? reader.ValueType : typeof (IDynamicMetaObjectProvider);

                JsonContract dynamicMemberContract = GetContractSafe(t);
                JsonConverter dynamicMemberConverter = GetConverter(dynamicMemberContract, null);

                object value = CreateValueNonProperty(reader, t, dynamicMemberContract, dynamicMemberConverter);

                newObject.TrySetMember(memberName, value);
              }
            }
            catch (Exception ex)
            {
              if (IsErrorHandled(newObject, contract, memberName, ex))
                HandleError(reader, initialDepth);
              else
                throw;
            }
            break;
          case JsonToken.EndObject:
            exit = true;
            break;
          default:
            throw CreateSerializationException(reader, "Unexpected token when deserializing object: " + reader.TokenType);
        }
      } while (!exit && reader.Read());

      contract.InvokeOnDeserialized(newObject, Serializer.Context);

      return newObject;
    }
    /// <summary>
    /// Serializes the dynamic.
    /// </summary>
    /// <param name="writer">The writer.</param>
    /// <param name="value">The value.</param>
    /// <param name="contract">The contract.</param>
    private void SerializeDynamic(JsonWriter writer, IDynamicMetaObjectProvider value, JsonDynamicContract contract)
    {
      contract.InvokeOnSerializing(value, Serializer.Context);
      _serializeStack.Add(value);

      writer.WriteStartObject();

      foreach (string memberName in value.GetDynamicMemberNames())
      {
        object memberValue;
        if (DynamicUtils.TryGetMember(value, memberName, out memberValue))
        {
          string resolvedPropertyName = (contract.PropertyNameResolver != null)
            ? contract.PropertyNameResolver(memberName)
            : memberName;
          
          writer.WritePropertyName(resolvedPropertyName);
          SerializeValue(writer, memberValue, GetContractSafe(memberValue), null, null);
        }
      }

      writer.WriteEndObject();

      _serializeStack.RemoveAt(_serializeStack.Count - 1);
      contract.InvokeOnSerialized(value, Serializer.Context);
    }