ClassAttribute extends AbstractValueSetAttribute implements GlobalAttributable { public void addClassNames(final String... classNames) { super.addAllToAttributeValueSet(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 testAddClassNames() { }