public static function getHassCoreFile()
 {
     $filesystem = \Yii::createObject(["class" => LocalFilesystem::className(), "path" => __DIR__]);
     $classMaps = [];
     foreach ($filesystem->listContents() as $item) {
         if ($item["type"] == "dir") {
             $path = $filesystem->getAdapter()->applyPathPrefix($item["path"]);
             if (!file_exists($path . DIRECTORY_SEPARATOR . 'composer.json')) {
                 continue;
             }
             $reader = new ConfigurationReader();
             $configuration = $reader->read($path . DIRECTORY_SEPARATOR . 'composer.json');
             foreach (array_keys($configuration->autoloadPsr4()) as $namespace) {
                 $classMaps[$namespace] = $path;
             }
         }
     }
     return $classMaps;
 }
 public function writeFile($classMaps)
 {
     /** @var LocalFilesystem $filesystem **/
     $filesystem = \Yii::createObject(["class" => LocalFilesystem::className(), "path" => "@core"]);
     if ($filesystem->has("autoload_psr4.php")) {
         $filesystem->delete("autoload_psr4.php");
     }
     $classMapsString = "<?php\n\n return " . var_export($classMaps, true) . ";";
     $filesystem->write("autoload_psr4.php", $classMapsString);
 }