How do I serialize MultiPartFormDataContent? I use...

# ktor

[Paul Woitaschek]

How do I serialize MultiPartFormDataContent? I use submitFormWithBinaryData with kotlinx serialization and I get an exception telling me I need to add a serializer for that.
stacktrace: https://gist.github.com/PaulWoitaschek/f87c0656f82293093ba8f0f9fcfb5427