-$a->strings["Periodically optimize tables"] = "";
-$a->strings["Periodically optimize tables like the cache and the workerqueue"] = "";
-$a->strings["Discover followers/followings from contacts"] = "";
-$a->strings["If enabled, contacts are checked for their followers and following contacts."] = "";
-$a->strings["None - deactivated"] = "";
-$a->strings["Local contacts - contacts of our local contacts are discovered for their followers/followings."] = "";
-$a->strings["Interactors - contacts of our local contacts and contacts who interacted on locally visible postings are discovered for their followers/followings."] = "";
-$a->strings["Synchronize the contacts with the directory server"] = "";
-$a->strings["if enabled, the system will check periodically for new contacts on the defined directory server."] = "";