从实体类生成的facelet中的带注释的SQL变量

When generating facelets with CRUD functionality in JSF/JPA in Netbeans 7.3, variables are created in the annotations that specify the SQL statements used to update respective view. The variables are 's', 'f' and 'm'. Where are these variables declared? My assumption was that they would be part of a managed bean with a generous scope but I can't seem to find them.When generating facelets with CRUD functionalit