Tasks

• – requestQueueWasSuspended:

  Sent when the queue has been suspended and request processing has been halted

• – requestQueueWasUnsuspended:

  Sent when the queue has been unsuspended and request processing has resumed

• – requestQueueDidBeginLoading:

  Sent when the queue transitions from an empty state to processing requests

• – requestQueueDidFinishLoading:

  Sent when queue transitions from a processing state to an empty start

• – requestQueue:willSendRequest:

  Sent before queue sends a request

• – requestQueue:didSendRequest:

  Sent after queue has sent a request

• – requestQueue:didLoadResponse:

  Sent when queue received a response for a request

• – requestQueue:didCancelRequest:

  Sent when queue has canceled a request

• – requestQueue:didFailRequest:withError:

  Sent when an attempted request fails