import org.checkerframework.checker.index.qual.IndexFor; import org.checkerframework.common.value.qual.MinLen; public class MinLenOneAndLength { public void m1(int @MinLen(1) [] a, int[] b) { @IndexFor("a") int i = a.length / 2; //:: error: (assignment.type.incompatible) @IndexFor("b") int j = b.length / 2; } }