Fetch the current leaderboard exclusion list for a single campaign,
or a stable-empty frozen array when the server has not published one
yet. Populated by the updateLeaderboardExclusions realtime push
whenever an operator adds or removes a donor filter row via the
leaderboard-exclusions REST API.
Fetch the current leaderboard exclusion list for a single campaign, or a stable-empty frozen array when the server has not published one yet. Populated by the
updateLeaderboardExclusionsrealtime push whenever an operator adds or removes a donor filter row via the leaderboard-exclusions REST API.