abstract class OC_Connector_Sabre_Node implements Sabre_DAV_INode, Sabre_DAV_IProperties {
const GETETAG_PROPERTYNAME = '{DAV:}getetag';
const LASTMODIFIED_PROPERTYNAME_DEPRECIATED = '{DAV:}lastmodified'; // FIXME: keept for the transition period, can be removed for OC 4.5.1 if the sync client update too
else { //FIXME: first part of if statement can be removed together with the LASTMODIFIED_PROPERTYNAME_DEPRECIATED const for oc4.5.1 if the sync client was updated too