@Deprecated
  public static boolean isEmpty( String val ) {
    return Utils.isEmpty( val );
  }
@Test
  public void testIsEmptyStringBuffer() {
    assertTrue( Const.isEmpty( (StringBuffer) null ) );
    assertTrue( Const.isEmpty( new StringBuffer( "" ) ) );
    assertFalse( Const.isEmpty( new StringBuffer( "test" ) ) );
  }