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: util.rb
    path of file: ./repos/birdwatcher/lib/birdwatcher
    
    the code of the file until where you have to start completion: module Birdwatcher
  module Util
    
    
    def self.suppress_output(&block)
      original_stdout = $stdout
      $stdout = fake = StringIO.new
      begin
        yield
      ensure
        $stdout = original_stdout
      end