unpickle_outbound_group_session
actual fun unpickle_outbound_group_session(session: OlmOutboundGroupSessionPointer, key: ByteArray, pickled: ByteArray): ULong
actual fun unpickle_outbound_group_session(session: OlmOutboundGroupSessionPointer, key: ByteArray, pickled: ByteArray): ULong
expect fun unpickle_outbound_group_session(session: OlmOutboundGroupSessionPointer, key: ByteArray, pickled: ByteArray): ULong