code: @Override
      public T addAsLibraries(String... resourceNames) throws IllegalArgumentException {
          Validate.notNull(resourceNames, "ResourceNames must be specified");
          for (String resourceName : resourceNames) {
              addAsLibrary(resourceName);
          }
          return covarientReturn();
      }
docs: /*
  (non-Javadoc)
  
  @see org.jboss.shrinkwrap.api.container.LibraryContainer#addLibraries(java.lang.String[])