unpickle_session

actual fun unpickle_session(session: OlmSessionPointer, key: ByteArray, pickled: ByteArray): ULong
actual fun unpickle_session(session: OlmSessionPointer, key: ByteArray, pickled: ByteArray): ULong
expect fun unpickle_session(session: OlmSessionPointer, key: ByteArray, pickled: ByteArray): ULong