Remembers install IDs that have no registration, for ttlMs (default 60 s). It holds at most maxEntries IDs (default 1,000) and drops the oldest when full. Only a miss is cached.
ttlMs
maxEntries
True when installId was recorded as unknown less than the TTL ago.
installId
Remembers install IDs that have no registration, for
ttlMs(default 60 s). It holds at mostmaxEntriesIDs (default 1,000) and drops the oldest when full. Only a miss is cached.