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: nomad.rb
    path of file: ./repos/homebrew-core/Formula/n
    
    the code of the file until where you have to start completion: class Nomad < Formula
  desc "Distributed, Highly Available, Datacenter-Aware Scheduler"
  homepage "https://www.nomadproject.io"
  # NOTE: Do not bump to v1.7.0+ as license changed to BUSL-1.1
  # https://github.com/hashicorp/nomad/pull/18187
  # https://github.com/hashicorp/nomad/pull/18218
  url "https://github.com/hashicorp/nomad/archive/refs/tags/v1.6.
    
  def caveats
    <<~EOS
      We will not accept any new nomad releases in homebrew/core (with the BUSL license).
      The next release will change to a non-open-source license:
      https://www.hashicorp.com/blog/hashicorp-adopts-business-source-license
      See our documentation for acceptable licences:
        https://docs.brew.sh/License-Guidelines
    EOS
  end

  service do
    run [opt_bin/"nomad", "agent", "-dev"]
    keep_alive true
    working_dir var
    log_path var/"log/nomad.log"
    error_log_path var/"log/nomad.log"
  end

  test do
    pid = fork do
      exec "#{bin}/nomad", "agent", "-dev"
    end
    sleep 10
    ENV.append "NOMAD_ADDR", "http://127.0.0.1:4646"
    system "#{bin}/nomad", "node-status"
  ensure
    Process.kill("TERM", pid)
  end
end