The current AdminPlugin.
Whether to add to or remove from lists.
User class.
Services account name to add or remove.
Channel the account-class applies to.
AlterationResult.alreadyInList if enlisting (add: true) and the account was already in the specified list. AlterationResult.noSuchAccount if delisting (add: false) and no such account could be found in the specified list. AlterationResult.noSuchChannel if delisting (add: false) and no such channel could be found in the specified list. AlterationResult.success if enlisting or delisting succeeded.
Adds or removes an account from the file of user classifier definitions, and reloads all plugins to make them read the updated lists.