import org.checkerframework.checker.tainting.qual.PolyTainted;

public abstract class Issue2107 {

    abstract @PolyTainted int method(@PolyTainted Issue2107 this);

    @PolyTainted int method2(@PolyTainted Issue2107 this) {
        return this.method();
    }

    @PolyTainted int method3(@PolyTainted Issue2107 this) {
        return method();
    }
}