You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: quantified_price_range_presenter.rb
    path of file: ./repos/spree/core/app/presenters/spree/filters
    
    the code of the file until where you have to start completion: module Spree
  modu
    
      def to_param
        case quantifier
        when :less_than
          less_than_param
        when :more_than
          more_than_param
        end