This import accesses the xml: attribute groups for the xml:lang as declared on the error-message element. Use of the rollback-on-error value requires the :rollback-on-error capability. Use of the xpath value requires the :xpath capability. The startup datastore can be used only if the :startup capability is advertised. The candidate datastore can be used only if the :candidate datastore is advertised. Use of the url element requires the :url capability. Use of the test-option element requires the :validate capability. Use of the url element requires the :url capability. The validate operation requires the :validate capability. The commit operation requires the :candidate capability. Use of the confirmed and confirm-timeout elements requires the :confirmed-commit capability. The discard-changes operation requires the :candidate capability.