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: reaction_finder.rb
    path of file: ./repos/repost/app/models
    
    the code of the file until where you have to start completion: class ReactionFinder
  class Reaction < Reaction
   
    
  def find
    reaction_counts.map do |name, count|
      Reaction.new(
        name: name,
        count: count,
        is_reacted: name.in?(reacted_names),
        user_names: reacted_user_ids[name].map { |id| users.find { |user| user.id == id }.name }
      )
    end
  end