# File lib/rhc/rest/mock.rb, line 826
    def add_certificate(ssl_certificate_content, private_key_content, pass_phrase)
      if (client.api_version_negotiated >= 1.4)
        @has_private_ssl_certificate = true
        @certificate_added_at = Time.now
      else
        raise RHC::Rest::SslCertificatesNotSupported, "The server does not support SSL certificates for custom aliases."
      end
    end