array (
  'data' => 
  array (
    'currentBulkOperation' => NULL,
  ),
  'extensions' => 
  array (
    'cost' => 
    array (
      'requestedQueryCost' => 1,
      'actualQueryCost' => 1,
      'throttleStatus' => 
      array (
        'maximumAvailable' => 20000.0,
        'currentlyAvailable' => 19999,
        'restoreRate' => 1000.0,
      ),
    ),
  ),
)