Consider frontier package-name

[emjunior258]

package my.package;

@Frontier(fqdn=true)
public class MyFrontier{

         public String formatStr(String val){
                //implementation comes here    
         }
          //more frontier code goes here

}

//Calling frontier from javascript

my.package.MyFrontier.formatStr("The Value").try(function(result){

     //do something
});