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: local_details_converter.rb
    path of file: ./repos/ibandit/lib/ibandit/sweden
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

module Ibandit
  module Sweden
    class LocalDetailsConverter
      # Converts local Swedish det
    
      def swift_account_number
        if bank_info.fetch(:include_clearing_code) &&
            clearing_code && serial_number
          (clearing_code + serial_number).rjust(17, "0")
        else
          serial_number&.rjust(17, "0")
        end