Bug 79976 RippleMethodFinder doesn't work with generics
See RippleMethodFinderTests.
org.eclipse.jdt.ui.tests.refactoring/resources/RenameVirtualMethodInClass/testGenerics3/out/A.java
public boolean addIfPositive(T t) {
        return true;
    }
}
class Sub<E extends Number> extends A<E> {
    public boolean addIfPositive(E e) {
        if (e.doubleValue() > 0)
            return false;
        return super.addIfPositive(e);
    }
}
class Unrelated1<E extends Number> {
    public boolean add(E e) {
        return false;
    }
}
interface Unrelated2<E> {
    boolean add(E e);
}
interface Unrelated3<T> {
    boolean add(T t);
}