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: jabba.rb
    path of file: ./repos/homebrew-core/Formula/j
    
    the code of the file until where you have to start completion: class Jabba < Formula
  desc "Cross-platform Java Version Manager"
  # fork blessed by previous maintener https://github.com/shyiko/jabba/issues/833#issuecomment-133
    
  def caveats
    <<~EOS
      Add the following line to your ~/.bashrc or ~/.zshrc file:
        [ -s "#{opt_pkgshare}/jabba.sh" ] && . "#{opt_pkgshare}/jabba.sh"

      If you use the Fish shell then add the following line to your ~/.config/fish/config.fish:
        [ -s "#{opt_pkgshare}/jabba.fish" ]; and source "#{opt_pkgshare}/jabba.fish"
    EOS
  end