import org.checkerframework.checker.index.qual.IndexOrHigh;
import org.checkerframework.checker.index.qual.IndexOrLow;
import org.checkerframework.checker.index.qual.LessThan;

public class LessThanDec {
  private static @IndexOrLow("#1") @LessThan("#4") int lastIndexOf(
      short[] array, short target, @IndexOrHigh("#1") int start, @IndexOrHigh("#1") int end) {
    for (int i = end - 1; i >= start; i--) {
      if (array[i] == target) {
        return i;
      }
    }
    return -1;
  }
}