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:
146a7e4b SPIGOT-5345: Add automatic library support
CraftBukkit Changes:
b1064c69 Remove sisu annotation processor from jar
32e40866 SPIGOT-6189: Persistent data disappears when calling setFacingDirection on an item frame
d189f78b #827: Trigger vanilla dimension advancements in non-main worlds
5bbb4a65 Add plumbing for automatic library support
Spigot Changes:
9fb885e8 Rebuild patches
Importing the full library would double the jar size... its way too large.
So lets just import the basic int/long based collections to then use
to improve performance on these kind of collections.