/**
  * Helper function for self::listing() to build table rows.
  *
  * @param array[] $hierarchy
  *   Keys are plugin IDs, and values are arrays of the same structure as this
  *   parameter. The depth is unlimited.
  * @param integer $depth
  *   The depth of $hierarchy's top-level items as seen from the original
  *   hierarchy's root (this function is recursive), starting with 0.
  *
  * @return array
  *   A render array.
  */
 protected function buildListingLevel(array $hierarchy, $depth)
 {
     $rows = [];
     foreach ($hierarchy as $plugin_id => $children) {
         $definition = $this->paymentStatusManager->getDefinition($plugin_id);
         $operations_provider = $this->paymentStatusManager->getOperationsProvider($plugin_id);
         $indentation = ['#theme' => 'indentation', '#size' => $depth];
         $rows[$plugin_id] = ['label' => ['#markup' => $this->renderer->render($indentation) . $definition['label']], 'description' => ['#markup' => $definition['description']], 'operations' => ['#type' => 'operations', '#links' => $operations_provider ? $operations_provider->getOperations($plugin_id) : []]];
         $rows = array_merge($rows, $this->buildListingLevel($children, $depth + 1));
     }
     return $rows;
 }
 /**
  * {@inheritdoc}
  */
 public function render(ResultRow $values)
 {
     $plugin_id = $this->getValue($values);
     $plugin_definition = $this->paymentStatusManager->getDefinition($plugin_id);
     return $plugin_definition['label'];
 }