Ambiguous method signature: void setMock about fflib-apex-common-samplecode HOT 1 OPEN

public interface IBase {
    void One();
}

@Istest
private class InterfaceResolveTest {

    @IsTest
    private static void test() {
        ISuper suuper = (ISuper) Test.createStub(ISuper.class, new Stubby());
        System.assertEquals('ISuper', new InterfaceResolveTest().setMock(suuper));
    }
    
    private String setMock(IBase mock) {
        return 'IBase';
    }
    
    private String setMock(ISuper mock) {
        return 'ISuper';
    }
}

public interface ISuper extends IBase {
    void Two();
}

public class Stubby implements StubProvider {

    public Object handleMethodCall(
        Object stubbedObject, 
        String stubbedMethodName, 
        Type returnType, 
        List<Type> listOfParamTypes, 
        List<String> listOfParamNames, 
        List<Object> listOfArgs) {
        
        return this;
    }
}