in src/Custom/Chat/Internal/InternalUnknownChatMessage.Serialization.cs [17:47]
internal override void WriteCore(Utf8JsonWriter writer, ModelReaderWriterOptions options)
{
writer.WriteStartObject();
writer.WritePropertyName("role"u8);
writer.WriteStringValue(Role.ToSerialString());
// Content is optional, can be a single string or a collection of ChatMessageContentPart.
if (Optional.IsDefined(Content) && Content.IsInnerCollectionDefined())
{
if (Content.Count > 0)
{
writer.WritePropertyName("content"u8);
if (Content.Count == 1 && Content[0].Text != null)
{
writer.WriteStringValue(Content[0].Text);
}
else
{
writer.WriteStartArray();
foreach (ChatMessageContentPart part in Content)
{
writer.WriteObjectValue(part, options);
}
writer.WriteEndArray();
}
}
}
writer.WriteSerializedAdditionalRawData(_additionalBinaryDataProperties, options);
writer.WriteEndObject();
}