# File lib/brakeman/checks/check_number_to_currency.rb, line 42
  def check_number_helper_usage
    number_methods = [:number_to_currency, :number_to_percentage, :number_to_human]
    tracker.find_call(:target => false, :methods => number_methods).each do |result|
      arg = result[:call].second_arg
      next unless arg

      if not check_helper_option(result, arg) and hash? arg
        hash_iterate(arg) do |_key, value|
          break if check_helper_option(result, value)
        end
      end
    end
  end