# File lib/active_ldap/connection.rb, line 154
      def establish_connection(config=nil)
        message =
          _("ActiveLdap::Connection.establish_connection has been deprecated " \
            "since 1.1.0. " \
            "Please use ActiveLdap::Connection.setup_connection instead.")
        ActiveSupport::Deprecation.warn(message)
        setup_connection(config)
      end