# File lib/aws/record/attributes.rb, line 194
        def self.type_cast raw_value, options = {}
          case raw_value
          when nil      then nil
          when ''       then nil
          when Integer  then raw_value
          else
            raw_value.respond_to?(:to_i) ? 
              raw_value.to_i :
              raw_value.to_s.to_i
          end
        end