| e | Root VisualElement on which the selector will be applied. | 
| name | If specified, will select elements with this name. | 
| classes | If specified, will select elements with the given class (not to be confused with Type). | 
| className | If specified, will select elements with the given class (not to be confused with Type). | 
T The first element matching all the criteria, or null if none was found.
Convenience overload, shorthand for Query<T>.Build().First().