This was a surprisingly involved change. Some of the difficulties included
java.util.Optional purposely not being Serializable (so I had to move a
few Optionals in mapreduce classes to @Nullable) and having to add the Truth
Java8 extension library for assertion support.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171863777
Also fixes the issue that dry run EPP commands were incorrectly being
reported on.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171062984
We almost certainly had intended to record a String representation of the
numeric Code all along, but a bad toString() method on the enum resulted
in the wrong thing happening. This is more evidence of why overriding
toString() on enums is bad.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=133583683