tree 8e0f92950843b1f7c1f0161316ad0c4eeec94925
parent 396d6617674622bf9be4b73088f2f17e9f6eb374
author Mark Hansen <markhansen@google.com> 1715714248 -0700
committer Copybara-Service <copybara-worker@google.com> 1715714366 -0700

Replace SmallSortedMap.EmptySet with equivalent Collections.emptySet()

This reduces our code weight by a little (3 classes).

Collections.emptySet also has a singleton empty iterator, so it doesn't allocate.

PiperOrigin-RevId: 633667264