ClassAttribute extends AbstractValueSetAttribute implements GlobalAttributable { public void addNewClassNames(final String... classNames) { if (classNames != null) { super.replaceAllInAttributeValueSet(classNames); } } ClassAttribute();  ClassAttribute(final String classNames);  ClassAttribute(final String... classNames); void addClassNames(final String... classNames); void addNewClassNames(final String... classNames); void addAllClassNames(final Collection<String> classNames); void removeAllClassNames(final Collection<String> classNames); void removeClassName(final String className); @Override String getAttributeValue(); Set<String> getClassNames(); void setValue(final String value); void setValue(final boolean updateClient, final String value);  }
@Test public void testAddNewClassNames() { }