Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing
Bukkit Changes:
9d0ad318 Fix javadoc errors in previous commits
9501daa2 #578: Add methods to modify the rate of regeneration and starvation
197d8f3d #577: Add EntityExhaustionEvent
CraftBukkit Changes:
a021e334 #795: Add methods to modify the rate of regeneration and starvation
509e523c #792: Add EntityExhaustionEvent
Spigot Changes:
db99f821 Rebuild patches
A lot of plugins seem to use reflection to determine this, so this could be a bit of a starter-patch as future PR'ers could also exposed tracked entities as well.