[ 'ListDeadLetterSourceQueues' => [ 'input_token' => 'NextToken', 'limit_key' => 'MaxResults', 'output_token' => 'NextToken', 'result_key' => 'queueUrls', ], 'ListQueues' => [ 'input_token' => 'NextToken', 'limit_key' => 'MaxResults', 'output_token' => 'NextToken', 'result_key' => 'QueueUrls', ], ],];