Make code self explanatory #292
Merged
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This PR does NOT make any semantic change, it literally just makes existing code self-explanatory.
Just to avoid that in 2 years another of us looks at this and become puzzled what in case of "last modified" means 0L, and why a method returns 1L, etc.
This class is fully covered with self explanatory UTs as well.
No JIRA created either.