public function getLibraries()
    {
        $config = \Altamira\Config::getInstance();
        $libraryToPath = array(
                \Altamira\JsWriter\Flot::LIBRARY    =>    $config['js.flotlib'],
                \Altamira\JsWriter\JqPlot::LIBRARY  =>    $config['js.jqplotlib']
                );
        $libraryKeys = array_unique( array_keys( $this->libraries ) );
        $libraryPaths = array();
        
        foreach ($libraryKeys as $key) {
            $libraryPaths[] = $libraryToPath[$key];
        }
        
        return $libraryPaths;
    }