Whether or not to output verbose debug information to the local terminal.
Reference to the mutable IRCEvent we're considering.
Policy to apply.
The calling IRCPlugin's IRCPluginState.
true if the message is in a context where the event matches the policy, false if not.
Evaluates whether or not the message in an event satisfies the PrefixPolicy specified, as fetched from a IRCEventHandler.Command or IRCEventHandler.Regex UDA.
If it doesn't match, the IRCPluginImpl.onEventImpl routine shall consider the UDA as not matching and continue with the next one.