Artificial unit that represents the concept of forever.
This is primarily used with {@link TemporalField} to represent unbounded fields
such as the year or era.
The estimated duration of this unit is artificially defined as the largest duration
supported by {@link Duration}.
Artificial unit that represents the concept of forever. This is primarily used with {@link TemporalField} to represent unbounded fields such as the year or era. The estimated duration of this unit is artificially defined as the largest duration supported by {@link Duration}.