# * queue_url<~String> - Url of queue to get attributes for
# * attribute_name<~Array> - Name of attribute to return, in ['All', 'ApproximateNumberOfMessages', 'ApproximateNumberOfMessagesNotVisible', 'CreatedTimestamp', 'LastModifiedTimestamp', 'MaximumMessageSize', 'MessageRetentionPeriod', 'Policy', 'QueueArn', 'VisibilityTimeout']