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: postinstall.rb
    path of file: ./repos/brew/Library/Homebrew/cmd
    
    the code of the file until where you have to start completion: #:  * `postinstall` <formula>:
#:    Rerun the post-install steps for <formula>.

require "sandbox"
require "formula_installer"
require "cli_parser"

module Homebrew
  module_function

  def postinst
    
  def postinstall_args
    Homebrew::CLI::Parser.new do
      usage_banner <<~EOS
        `postinstall` <formula>

        Rerun the post-install steps for <formula>.
      EOS
      switch :verbose
      switch :force
      switch :debug
    end
  end