Method: Update an activity item’s Akismet history.

Method: Get an activity item’s Akismet history.

Method: Adds a “History” meta box to the activity edit screen.

Method: History meta box for the Activity admin edit screen.

Method: Contact Akismet to check if this is spam or ham.

Method: Filters user agent when sending to Akismet to add BuddyPress info.

Method: Update activity meta after an automatic spam check (not user-initiated).

Method: Update activity meta after a manual ham change (user-initiated).

Method: Update activity meta after a manual spam change (user-initiated).

Method: Check if the activity item is spam or ham.