# File lib/fog/aws/requests/sns/list_subscriptions_by_topic.rb, line 19
        def list_subscriptions_by_topic(arn, options = {})
          request({
            'Action'    => 'ListSubscriptionsByTopic',
            'TopicArn'  => arn.strip,
            :parser     => Fog::Parsers::AWS::SNS::ListSubscriptions.new
          }.merge!(options))
        end