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: association_manager.rb
    path of file: ./repos/devise-multi_email/lib/devise/multi_email
    
    the code of the file until where you have to start completion: 
module Devise
  module MultiEmail
   
    
      def configure_autosave!(&block)
        unless autosave_enabled?
          if Devise::MultiEmail.autosave_emails?
            reflection.autosave = true
          else
            yield if block_given?
          end