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

  desc "C library for encoding and decoding Protocol Buffer message
    
  def install
    ENV.append_to_cflags "-DPB_ENABLE_MALLOC=1"
    site_packages = Language::Python.site_packages("python3.12")

    system "cmake", "-S", ".", "-B", "build",
                    "-DBUILD_SHARED_LIBS=ON",
                    "-Dnanopb_PYTHON_INSTDIR_OVERRIDE=#{prefix/site_packages}",
                    *std_cmake_args
    system "cmake", "--build", "build"
    system "cmake", "--install", "build"
    rewrite_shebang detected_python_shebang, *bin.children
  end