public function getPluginNamespaces()
    {
        $classNames = [];

        foreach ($this->getVendorAndPluginNames() as $vendorName => $vendorList) {
            foreach ($vendorList as $pluginName => $pluginPath) {
                $namespace = '\\'.$vendorName.'\\'.$pluginName;
                $namespace = Str::normalizeClassName($namespace);
                $classNames[$namespace] = $pluginPath;
            }
        }

        return $classNames;
    }