public function showSummary()
    {
        foreach ( $this->finalOutputMessageArray as $messageEntry )
        {
            if ( $messageEntry['label'] !== null )
            {
                $this->cli->output( $this->cli->stylize( 'bold', $messageEntry['label'] ) );
            }

            foreach ( $messageEntry['messages'] as $msg )
            {
                $this->cli->output( $msg);
            }
            $this->cli->output();
        }
    }