How to close current window?

Hi All,
am navigating to new window after come actions want to close the window. how can I close the new window. There is no I.close method right?
What method we can use to close window in Codecept

I got answer for my question posting it so that it will be helpful to others. For closing the windows we are having :-
I.closeCurrentTab();
I.closeOtherTabs();