# File lib/aws/ec2/filtered_collection.rb, line 60
      def subnet_id_option options
        subnet_id = options.delete(:subnet)
        subnet_id ||= options[:subnet_id]
        subnet_id ||= filter_value_for('subnet-id')
        subnet_id = subnet_id.id if subnet_id.is_a?(Subnet)
        subnet_id
      end