def METHOD_NAME(self):
    return [
        ("fixed", "Fixed"),
        ("year2", "Year on 2 digits"),
        ("year4", "Year on 4 digits"),
        ("month", "Month (2 digits)"),
        ("digit", "Digit(s)"),
        ("letter_upper", "Upper Letter"),
        ("letter_lower", "Lower Letter"),
        ("char", "Any Character"),
        ("space", "Space"),
    ]