dropLast20

fun Tuple20<*, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *>.dropLast20(): EmptyTuple
fun <T1> Tuple21<T1, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *>.dropLast20(): Tuple1<T1>
fun <T1, T2> Tuple22<T1, T2, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *, *>.dropLast20(): Tuple2<T1, T2>