convert_value_to_parameters

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 1024
      def convert_value_to_parameters(value)
        case value
        when Array
          return value if converted_arrays.member?(value)
          converted = value.map { |_| convert_value_to_parameters(_) }
          converted_arrays << converted.dup
          converted
        when Hash
          self.class.new(value, @logging_context)
        else
          value
        end
      end