code: @Override
      public T addPackage(Package pack) throws IllegalArgumentException {
          Validate.notNull(pack, "Pack must be specified");
  
          return addPackage(pack.getName());
      }
docs: /*
  (non-Javadoc)
  
  @see org.jboss.declarchive.api.container.ClassContainer#addPackage(java.lang.Package)