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diff --git a/vendor/chi-teck/drupal-code-generator/src/Command/BaseGenerator.php b/vendor/chi-teck/drupal-code-generator/src/Command/BaseGenerator.php
new file mode 100644
index 000000000..b8ae26022
--- /dev/null
+++ b/vendor/chi-teck/drupal-code-generator/src/Command/BaseGenerator.php
@@ -0,0 +1,373 @@
+<?php
+
+namespace DrupalCodeGenerator\Command;
+
+use DrupalCodeGenerator\ApplicationFactory;
+use DrupalCodeGenerator\Asset;
+use DrupalCodeGenerator\Utils;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Base class for all generators.
+ */
+abstract class BaseGenerator extends Command implements GeneratorInterface {
+
+  /**
+   * The command name.
+   *
+   * @var string
+   */
+  protected $name;
+
+  /**
+   * The command description.
+   *
+   * @var string
+   */
+  protected $description;
+
+  /**
+   * The command alias.
+   *
+   * @var string
+   */
+  protected $alias;
+
+  /**
+   * Command label.
+   *
+   * @var string
+   */
+  protected $label;
+
+  /**
+   * A path where templates are stored.
+   *
+   * @var string
+   */
+  protected $templatePath;
+
+  /**
+   * The working directory.
+   *
+   * @var string
+   */
+  protected $directory;
+
+  /**
+   * The destination.
+   *
+   * @var mixed
+   */
+  protected $destination = 'modules/%';
+
+  /**
+   * Files to create.
+   *
+   * The key of the each item in the array is the path to the file and
+   * the value is the generated content of it.
+   *
+   * @var array
+   *
+   * @deprecated Use self::$assets.
+   */
+  protected $files = [];
+
+  /**
+   * Assets to create.
+   *
+   * @var \DrupalCodeGenerator\Asset[]
+   */
+  protected $assets = [];
+
+  /**
+   * Twig template variables.
+   *
+   * @var array
+   */
+  protected $vars = [];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function configure() {
+    $this
+      ->setName($this->name)
+      ->setDescription($this->description)
+      ->addOption(
+        'directory',
+        '-d',
+        InputOption::VALUE_OPTIONAL,
+        'Working directory'
+      )
+      ->addOption(
+        'answers',
+        '-a',
+        InputOption::VALUE_OPTIONAL,
+        'Default JSON formatted answers'
+      );
+
+    if ($this->alias) {
+      $this->setAliases([$this->alias]);
+    }
+
+    if (!$this->templatePath) {
+      $this->templatePath = ApplicationFactory::getRoot() . '/templates';
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function initialize(InputInterface $input, OutputInterface $output) {
+    $this->getHelperSet()->setCommand($this);
+    $this->getHelper('dcg_renderer')->addPath($this->templatePath);
+
+    $directory = $input->getOption('directory') ?: getcwd();
+    // No need to look up for extension root when generating an extension.
+    $extension_destinations = ['modules', 'profiles', 'themes'];
+    $is_extension = in_array($this->destination, $extension_destinations);
+    $this->directory = $is_extension
+      ? $directory : (Utils::getExtensionRoot($directory) ?: $directory);
+
+    // Display welcome message.
+    $header = sprintf(
+      "\n Welcome to %s generator!",
+      $this->getName()
+    );
+    $output->writeln($header);
+    $header_length = strlen(trim(strip_tags($header)));
+    $output->writeln('<fg=cyan;options=bold>–' . str_repeat('–', $header_length) . '–</>');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function execute(InputInterface $input, OutputInterface $output) {
+
+    // Render all assets.
+    $renderer = $this->getHelper('dcg_renderer');
+    foreach ($this->getAssets() as $asset) {
+      // Supply the asset with all collected variables if it has no local ones.
+      if (!$asset->getVars()) {
+        $asset->vars($this->vars);
+      }
+      $asset->render($renderer);
+    }
+
+    $dumped_files = $this->getHelper('dcg_dumper')->dump($input, $output);
+    $this->getHelper('dcg_output_handler')->printSummary($output, $dumped_files);
+    return 0;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getLabel() {
+    return $this->label;
+  }
+
+  /**
+   * Returns list of rendered files.
+   *
+   * @return array
+   *   An associative array where each key is path to a file and value is
+   *   rendered content.
+   *
+   * @deprecated.
+   */
+  public function getFiles() {
+    return $this->files;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getAssets() {
+    if ($this->files) {
+      // Convert files into assets for legacy commands.
+      $assets = [];
+      foreach ($this->getFiles() as $path => $file) {
+        $asset = new Asset();
+        $asset->path($path);
+        if (!is_array($file)) {
+          $file = ['content' => $file];
+        }
+        if (isset($file['content'])) {
+          $asset->content($file['content']);
+        }
+        else {
+          $asset->type('directory');
+        }
+        if (isset($file['action'])) {
+          $asset->action($file['action']);
+        }
+        if (isset($file['header_size'])) {
+          $asset->headerSize($file['header_size']);
+        }
+        if (isset($file['mode'])) {
+          $asset->mode($file['mode']);
+        }
+        $assets[] = $asset;
+      }
+      return array_merge($assets, $this->assets);
+    }
+
+    return $this->assets;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setDirectory($directory) {
+    $this->directory = $directory;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDirectory() {
+    return $this->directory;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setDestination($destination) {
+    $this->destination = $destination;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDestination() {
+    return $this->destination;
+  }
+
+  /**
+   * Renders a template.
+   *
+   * @param string $template
+   *   Twig template.
+   * @param array $vars
+   *   Template variables.
+   *
+   * @return string
+   *   A string representing the rendered output.
+   */
+  protected function render($template, array $vars) {
+    return $this->getHelper('dcg_renderer')->render($template, $vars);
+  }
+
+  /**
+   * Asks the user for template variables.
+   *
+   * @param \Symfony\Component\Console\Input\InputInterface $input
+   *   Input instance.
+   * @param \Symfony\Component\Console\Output\OutputInterface $output
+   *   Output instance.
+   * @param array $questions
+   *   List of questions that the user should answer.
+   * @param array $vars
+   *   Array of predefined template variables.
+   *
+   * @return array
+   *   Template variables.
+   *
+   * @see \DrupalCodeGenerator\InputHandler
+   */
+  protected function &collectVars(InputInterface $input, OutputInterface $output, array $questions, array $vars = []) {
+    $this->vars += $this->getHelper('dcg_input_handler')->collectVars($input, $output, $questions, $vars);
+    return $this->vars;
+  }
+
+  /**
+   * Creates an asset.
+   *
+   * @param string $type
+   *   Asset type.
+   *
+   * @return \DrupalCodeGenerator\Asset
+   *   The asset.
+   */
+  protected function addAsset($type) {
+    $asset = (new Asset())->type($type);
+    $this->assets[] = $asset;
+    return $asset;
+  }
+
+  /**
+   * Creates file asset.
+   *
+   * @return \DrupalCodeGenerator\Asset
+   *   The asset.
+   */
+  protected function addFile() {
+    return $this->addAsset('file');
+  }
+
+  /**
+   * Creates directory asset.
+   *
+   * @return \DrupalCodeGenerator\Asset
+   *   The asset.
+   */
+  protected function addDirectory() {
+    return $this->addAsset('directory');
+  }
+
+  /**
+   * Creates service file asset.
+   *
+   * @return \DrupalCodeGenerator\Asset
+   *   The asset.
+   */
+  protected function addServicesFile() {
+    return $this->addFile()
+      ->path('{machine_name}.services.yml')
+      ->action('append')
+      ->headerSize(1);
+  }
+
+  /**
+   * Creates file asset.
+   *
+   * @param string $path
+   *   Path to the file.
+   * @param string $template
+   *   Twig template to render.
+   * @param array $vars
+   *   Twig variables.
+   *
+   * @deprecated Use self::addFile() or self::addDirectory().
+   */
+  protected function setFile($path = NULL, $template = NULL, array $vars = []) {
+    $this->addFile()
+      ->path($path)
+      ->template($template)
+      ->vars($vars);
+  }
+
+  /**
+   * Creates service file asset.
+   *
+   * @param string $path
+   *   Path to the file.
+   * @param string $template
+   *   Twig template to render.
+   * @param array $vars
+   *   Twig variables.
+   *
+   * @deprecated Use self::addServiceFile().
+   */
+  protected function setServicesFile($path, $template, array $vars) {
+    $this->addServicesFile()
+      ->path($path)
+      ->template($template)
+      ->vars($vars);
+  }
+
+}