public static int removeSpecificPerms(int perms, int remove) {
    return perms ^ remove;
  }
@Test
  public void testRemoveSpecificPerms() {
    int perms = Perms.ALL;
    int remove = Perms.CREATE;
    int newPerms = ZKUtil.removeSpecificPerms(perms, remove);
    assertEquals("Removal failed", 0, newPerms & Perms.CREATE);
  }