private function getDefaultStyles()
    {
        return array(
            'keyword'       => new OutputFormatterStyle(null, null, array('bold')),
            'stdout'        => new OutputFormatterStyle(null, null, array()),
            'exception'     => new OutputFormatterStyle('red'),
            'undefined'     => new OutputFormatterStyle('yellow'),
            'pending'       => new OutputFormatterStyle('yellow'),
            'pending_param' => new OutputFormatterStyle('yellow', null, array('bold')),
            'failed'        => new OutputFormatterStyle('red'),
            'failed_param'  => new OutputFormatterStyle('red', null, array('bold')),
            'passed'        => new OutputFormatterStyle('green'),
            'passed_param'  => new OutputFormatterStyle('green', null, array('bold')),
            'skipped'       => new OutputFormatterStyle('cyan'),
            'skipped_param' => new OutputFormatterStyle('cyan', null, array('bold')),
            'comment'       => new OutputFormatterStyle('black'),
            'tag'           => new OutputFormatterStyle('cyan')
        );
    }