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: manual_mail_handling.rb
    path of file: ./repos/hitobito/app/domain/mail_relay
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

#  Copyright (c) 2012-2020, Jungwacht Blauring Schweiz. This file 
    
    def should_clear_email?(message)
      print "Delete message '#{message.subject}' (y/N/i)? "
      case gets.strip.downcase
      when 'y'
        true
      when 'i'
        inspect_message(message)
      else
        false
      end