# File lib/apipie/client/generator.rb, line 116
      def validation(method)
        stringify = lambda do |object|
          case object
            when Hash
              clone = object.dup
              object.keys.each { |key| clone[key.to_s] = stringify[clone.delete(key)] }
              clone
            when Array
              object.map { |value| stringify[value] }
            else
              object
          end
        end
        Apipie::Client::Base.construct_validation_hash(stringify[method])
      end