This *shouldn't* be needed, but allows running plugins to be skipped if there's any unexpected interactions with background indexing. (cherry picked from commit a5343852c6)
a5343852c6
AtomicInt32
pendingUnitCount
AsyncQueue
FIXME
TODO
sourcekitd_
sourcekitd_api_
URL
AbsolutePath
SourceKitLSP
NonDarwinLogger
SKSupport
LanguageServerProtocolExtensions
DLHandle.Handle