code: @Override
      public T addAsLibraries(Archive<?>... archives) throws IllegalArgumentException {
          Validate.notNull(archives, "Archives must be specified");
          for (final Archive<?> archive : archives) {
              addAsLibrary(archive);
          }
          return covarientReturn();
      }
docs: /*
  (non-Javadoc)
  
  @see org.jboss.shrinkwrap.api.container.LibraryContainer#addLibraries(org.jboss.shrinkwrap.api.Archive<?>[])