+
+StartNoticeWhoGets: Called at start of inbox delivery prep; plugins can schedule notices to go to particular profiles that would otherwise not have reached them. Canceling will take over the entire addressing operation. Be aware that output can be cached or used several times, so should remain idempotent.
+- $notice Notice
+- &$ni: in/out array mapping profile IDs to constants: NOTICE_INBOX_SOURCE_SUB etc
+
+EndNoticeWhoGets: Called at end of inbox delivery prep; plugins can filter out profiles from receiving inbox delivery here. Be aware that output can be cached or used several times, so should remain idempotent.
+- $notice Notice
+- &$ni: in/out array mapping profile IDs to constants: NOTICE_INBOX_SOURCE_SUB etc