private void assertArrayEquals(Token[] obj1, Token[] obj2) {
private void assertArrayEquals(DurationFormatUtils.Token[] obj1, DurationFormatUtils.Token[] obj2) {
    private void assertArrayEquals(Token[] obj1, Token[] obj2) {        assertEquals( "Arrays are unequal length. ", obj1.length, obj2.length );        for(int i=0; i<obj1.length; i++) {            assertTrue( "Index " + i + " not equal, " + obj1[i] + " vs " + obj2, obj1[i].equals(obj2[i]));        }    }