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: response.rb
    path of file: ./repos/global_sign/lib/global_sign/url_verification_for_issue
    
    the code of the file until where you have to start completion: module GlobalSign
  module UrlVerificationForIssue
    class Response < GlobalSign::Response
      module XPath
        Certificate_Info   = '//Response/URLV
    
      def ca_certificates_list
        @xml.xpath(XPath::CA_Certificates).children.map do |c|
          {
            ca_cert_type: c.at('CACertType').text,
            ca_cert:      c.at('CACert').text,
          }
        end
      end