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: imap_helper.rb
    path of file: ./repos/discourse/spec/support
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

class MockedImapProvider < Imap::Providers::Gmail
  def connect!
  end

  def disconnect!
  end

  def open_mailbox(mailbox_name, wri
    
def EmailFabricator(options)
  email = +""
  email += "Date: Sat, 31 Mar 2018 17:50:19 -0700\n"
  email += "From: #{options[:from] || "Dan <dan@discourse.org>"}\n"
  email += "To: #{options[:to] || "Joffrey <joffrey@discourse.org>"}\n"
  email += "Cc: #{options[:cc]}\n" if options[:cc]
  email += "In-Reply-To: #{options[:in_reply_to]}\n" if options[:in_reply_to]
  email += "References: #{options[:in_reply_to]}\n" if options[:in_reply_to]
  email += "Message-ID: <#{options[:message_id]}>\n" if options[:message_id]
  email += "Subject: #{options[:subject] || "This is a test email subject"}\n"
  email += "Mime-Version: 1.0\n"
  email += "Content-Type: #{options[:content_type] || "text/plain;\n charset=UTF-8"}\n"
  email += "Content-Transfer-Encoding: 7bit\n"
  email += "\n#{options[:body] || "This is an email *body*. :smile:"}"
  email
end