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: asdf.rb
    path of file: ./repos/homebrew-core/Formula/a
    
    the code of the file until where you have to start completion: class Asdf < Formula
  desc "Extendable version manager with support for Ruby, Node.js, Erlang & more"
  homepage "htt
    
  def install
    bash_completion.install "completions/asdf.bash"
    fish_completion.install "completions/asdf.fish"
    zsh_completion.install "completions/_asdf"
    libexec.install Dir["*"]
    touch libexec/"asdf_updates_disabled"

    bin.write_exec_script libexec/"bin/asdf"
  end