/**
  * @param $missingConfigurationKey
  * @param array $config
  *
  * @return InvalidRepositoryConfig
  */
 public static function create($missingConfigurationKey, array $config)
 {
     $e = new self('This configuration property must be provided: ' . $missingConfigurationKey);
     $e->setMissingConfigurationKey($missingConfigurationKey);
     $e->setConfig($config);
     return $e;
 }