Constants to determine how much time advances with each call
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Clock#tick.
    See:
Members
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    Clock#ticksets the clock to the current system time; ignoring all other settings.
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    Clock#tickadvances the current time by the amount of system time elapsed since the previous call multiplied byClock#multiplier.
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    Clock#tickadvances the current time by a fixed step, which is the number of seconds specified byClock#multiplier.
