Pruebas de sintaxis
InstanceContent bolsaContents = new InstanceContent();
Lookup bolsa5 = new AbstractLookup(bolsaContents);
bolsaContents.add("Hi");
bolsaContents.add("World");
bolsaContents.add("lol!");
bolsaContents.add(123);
Collection c = bolsa5.lookup(new Lookup.Template(Integer.class)).allInstances();
System.out.println("Abstract Lookup: "+c);
La definicion es la siguiente * LOL lol lol