1 decl package +name;

     2 decl class +name;

     3 decl attr +type +name;

     4 

     5 package Bla {

     6     class Customer {

     7         attr long id;

     8         attr string name;

     9     }

    10     class Order {

    11         attr long id;

    12         attr string desc;

    13     }

    14 }

    15