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: searchable_exchange.rb
    path of file: ./repos/sugar/app/models/concerns
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

module SearchableExchange
  extend ActiveSupport::Concern
  inc
    
    def search_results(query, options = {})
      Discussion.search do
        fulltext query
        order_by :last_post_at, :desc
        paginate page: options[:page], per_page: Exchange.per_page
      end
    end