addConditionFieldPrefix example

  protected static function applyAccessConditions(QueryInterface $query, $entity_type_id, $field_prefix, CacheableMetadata $cacheability) {
    $access_condition = static::getAccessCondition($entity_type_id, $cacheability);
    if ($access_condition) {
      $prefixed_condition = !is_null($field_prefix)
        ? static::addConditionFieldPrefix($access_condition, $field_prefix)
        : $access_condition;
      $filter = new Filter($prefixed_condition);
      $query->condition($filter->queryCondition($query));
    }
  }

  /** * Prefixes all fields in an EntityConditionGroup. */
  protected static function addConditionFieldPrefix(EntityConditionGroup $group, $field_prefix) {
    $prefixed = [];