The method Robo\Common\IO::io() has been deprecated with message: Use a style injector instead
This method has been deprecated. The supplier of the class has supplied an explanatory message.
The explanatory message should give you some clue as to whether and when the method will be
removed from the class and what other method or class to use instead.
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.