* Converts the {@link String} {@link String#valueOf(Object) representation} of
* an object to a valid CSS class name by converting all characters that are not
* US-ASCII letters or numbers to an underscore.
* Converts the {@link String} {@link String#valueOf(Object) representation} of
* an object to a valid CSS class name by converting all characters that are not
* US-ASCII letters or numbers to an underscore.