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: geph4.rb
    path of file: ./repos/homebrew-core/Formula/g
    
    the code of the file until where you have to start completion: class Geph4 < Formula
  desc "Modular Internet censorship circumvention system to deal with national filtering"
  homepage "https://geph.io/
    
  def install
    # Ensure that the `openssl` crate picks up the intended library.
    ENV["OPENSSL_DIR"] = Formula["openssl@3"].opt_prefix
    ENV["OPENSSL_NO_VENDOR"] = "1"

    (buildpath/".cargo").rmtree
    system "cargo", "install", *std_cargo_args
  end