import org.checkerframework.checker.index.qual.*;
import org.checkerframework.common.value.qual.BottomVal;
import org.checkerframework.common.value.qual.IntVal;

public class OverrideIntVal {

    @NonNegative int foo(@IntVal(0) int zero) {
        return zero;
    }

    @NonNegative int bar(@BottomVal int bottom) {
        return bottom;
    }

    @NonNegative int m() {
        return 0;
    }

    @IntVal({0, 1, 2, 3}) int m2() {
        return 0;
    }

    @GTENegativeOne int n() {
        return -1;
    }

    @Positive int p() {
        return 1;
    }
}

class OverrideIntValSub extends OverrideIntVal {
    @Override
    @IntVal(0) int m() {
        return 0;
    }

    @Override
    @IntVal(0) int m2() {
        return 0;
    }

    @Override
    @IntVal(0) int n() {
        return 0;
    }

    @Override
    @IntVal(2) int p() {
        return 2;
    }
}

class OverrideIntValBottom extends OverrideIntVal {
    @Override
    @BottomVal int m() {
        throw new Error("never returns normally");
    }

    @Override
    @BottomVal int m2() {
        throw new Error("never returns normally");
    }
}