Forwards to IRCPluginImpl.commandsImpl.
This is made a separate function to allow plugins to override it and insert their own code, while still leveraging IRCPluginImpl.commandsImpl
for the actual dirty work.
Associative array of tuples of all command metadata (descriptions, syntaxes, and whether they are hidden), keyed by IRCEventHandler.Command.words and IRCEventHandler.Regex.expressions.
Forwards to IRCPluginImpl.commandsImpl.
This is made a separate function to allow plugins to override it and insert their own code, while still leveraging IRCPluginImpl.commandsImpl
for the actual dirty work.