CssPseudoElementUtil { public static String createPseudoElementTagName(String pseudoElementName) { return TAG_NAME_PREFIX + pseudoElementName; }  static String createPseudoElementTagName(String pseudoElementName); static boolean hasBeforeAfterElements(IElementNode node);  }
@Test public void createPseudoElementTagNameTest() { String beforePseudoElemName = CssPseudoElementUtil.createPseudoElementTagName("before"); String expected = "pseudo-element::before"; Assert.assertEquals(expected, beforePseudoElemName); }