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: check_simple_format.rb
    path of file: ./repos/brakeman/lib/brakeman/checks
    
    the code of the file until where you have to start completion: require 'brakeman/checks/base_check'

clas
    
  def warn_on_simple_format result, match
    return unless original? result

    @found_any = true

    warn :result => result,
      :warning_type => "Cross-Site Scripting",
      :warning_code => :CVE_2013_6416_call,
      :message => msg("Values passed to ", msg_code("simple_format"), " are not safe in ", msg_version(rails_version)),
      :confidence => :high,
      :link_path => "https://groups.google.com/d/msg/ruby-security-ann/5ZI1-H5OoIM/ZNq4FoR2GnIJ",
      :user_input => match,
      :cwe_id => [79]
  end