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: getmail6.rb
    path of file: ./repos/homebrew-core/Formula/g
    
    the code of the file until where you have to start completion: class Getmail6 < Formula
  include Language::Python::Shebang

  desc "Extensible mail retrieval system with POP3, IMAP4, SSL support"
  homepage "https://getmail6.org/"
  url "https://git
    
  def install
    files = %w[getmail getmail_fetch getmail_maildir getmail_mbox]
    rewrite_shebang detected_python_shebang(use_python_from_path: true), *files
    libexec.install files
    bin.install_symlink libexec.children
    libexec.install "getmailcore"
    man1.install Pathname.glob("docs/*.1")
  end