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: artist.rb
    path of file: ./repos/e621ng/app/models
    
    the code of the file until where you have to start completion: # frozen_string_liter
    
    def notes=(text)
      return if wiki_page.blank? && text.empty?
      return if notes == text

      notes_will_change!
      @notes = text
    end