2, 'waiters' => ['StreamExists' => ['delay' => 10, 'operation' => 'DescribeStream', 'maxAttempts' => 18, 'acceptors' => [['expected' => 'ACTIVE', 'matcher' => 'path', 'state' => 'success', 'argument' => 'StreamDescription.StreamStatus']]], 'StreamNotExists' => ['delay' => 10, 'operation' => 'DescribeStream', 'maxAttempts' => 18, 'acceptors' => [['expected' => 'ResourceNotFoundException', 'matcher' => 'error', 'state' => 'success']]]]];