2, 'waiters' => [ 'QueueExists' => [ 'acceptors' => [ [ 'expected' => 200, 'matcher' => 'status', 'state' => 'success', ], [ 'expected' => 'QueueDoesNotExist', 'matcher' => 'error', 'state' => 'retry', ], ], 'delay' => 5, 'maxAttempts' => 40, 'operation' => 'GetQueueUrl', ], ],];