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: boost-mpi.rb
    path of file: ./repos/homebrew-core/Formula/b
    
    the code of the file until where you have to start completion: class BoostMpi < Formula
  desc "C++ library for C++/MPI interoperability"
  homepage "https://www.boost.org/"
  url "https://github.com/boostorg/boost/releases/download/boost-1.84.0/boost-1.84.0.tar.xz"
  sha256 "2e64e5d79a738d0fa6fb546c6e5c2bd28f88d268a2a080546f74e5ff98f29d0e"
  license "BSL-1.0"
  head "https://github.com/boostorg/boost.git", branch: "master"

  livecheck do
    formula "boost"
  end

  bottle do
    sha256                               arm64_sonoma:   "fd072ff97451fd88657159056a6f27762d3752bfe79cb2b92d546c2f64053bff"
    sha256                               arm64_ventura
    
  def install
    # "layout" should be synchronized with boost
    args = %W[
      -d2
      -j#{ENV.make_jobs}
      --layout=tagged-1.66
      --user-config=user-config.jam
      install
      threading=multi,single
      link=shared,static
    ]

    # Trunk starts using "clang++ -x c" to select C compiler which breaks C++11
    # handling using ENV.cxx11. Using "cxxflags" and "linkflags" still works.
    args << "cxxflags=-std=c++11"
    args << "cxxflags=-stdlib=libc++" << "linkflags=-stdlib=libc++" if ENV.compiler == :clang

    open("user-config.jam", "a") do |file|
      if OS.mac?
        file.write "using darwin : : #{ENV.cxx} ;\n"
      else
        file.write "using gcc : : #{ENV.cxx} ;\n"
      end
      file.write "using mpi ;\n"
    end