@internationalizeDocstring
    def plugin(self, irc, msg, args, command):
        (maxL, cbs) = irc.findCallbacksForArgs(command)
        L = []
        if maxL == command:
            for cb in cbs:
                L.append(cb.name())
        command = callbacks.formatCommand(command)
        if L:
            if irc.nested:
                irc.reply(format('%L', L))
            else:
                if len(L) > 1:
                    plugin = _('plugins')
                else:
                    plugin = _('plugin')
                irc.reply(format(_('The %q command is available in the %L '
                                 '%s.'), command, L, plugin))
        else:
            irc.error(format(_('There is no command %q.'), command))
same as `operator.isSequenceType`
dataset/ETHPy150Open ProgVal/Limnoria/plugins/Plugin/plugin.py/Plugin.plugin--crossover with--dataset/ETHPy150Open CountZer0/PipelineConstructionSet/python/maya/site-packages/pymel-1.0.3/pymel/util/arguments.py/isSequence