Duration Title is a class that contains day, hour, minute, second
properties.
which will later show in the view if you assign a value of
SeparatorType.title to the SeparatorType enum
and you can change the title of the day, hour, minute, and second.
For example, you change to Indonesian. By default this title will
display in English DurationTitle.en()
The SlideCountdownSeparated is a StatefulWidget that
creates a countdown timer that slides up or down to display
the remaining time and each duration will be separated.
The SlideCountdownSeparated is a StatefulWidget that
creates a countdown timer that slides up or down to display
the remaining time and each duration will be separated.