Mixed use of Joda-Time and java.time results in two different time zone
databases being used at the same time. This inconsistency can lead to
incorrect results. For example, operations as simple as casting a zoned
date time to a Unix time and back will not round-trip.
joda-to-java-time-bridge makes it possible to mix usages of Joda-Time and
java.time without the above problem, by changing Joda-Time to delegate
to the time zone database in java.time (the one built into the JVM).
It is expected to work with any reasonable version of Joda-Time.