normalize_parameters

# File actionpack/lib/action_dispatch/http/parameters.rb, line 69
      def normalize_parameters(value)
        case value
        when Hash
          h = {}
          value.each { |k, v| h[k] = normalize_parameters(v) }
          h.with_indifferent_access
        when Array
          value.map { |e| normalize_parameters(e) }
        else
          value
        end
      end