Interface PrintServiceAttribute is a tagging interface which a printing
attribute class implements to indicate the attribute describes the status
of a Print Service or some other characteristic of a Print Service. A Print
Service instance adds a number of PrintServiceAttributes to a Print
service's attribute set to report the Print Service's status.
Get the printing attribute class which is to be used as the "category"
for this printing attribute value when it is added to an attribute set.
Get the name of the category of which this attribute value is an
instance.
Note: This method is intended to provide a default, nonlocalized
string for the attribute's category. If two attribute objects return the
same category from the getCategory() method, they should
return the same name from the getName() method.