Update _3gpp-common-filemanagement.yang

    uses yang3gpp:ProcessMonitor {

          refine resultStateInfo {

           description "If status is FAILED this provides the reason.";

           must "true() = 'NULL' or 'UNKNOWN'";

           must "true() = 'UNKNOWN'";

           must "true() = 'NO_STORAGE'";

           must "true() = 'LOW_MEMORY'";

           must "true() = 'NO_CONNECTION_TO_REMOTE_SERVER'";

           must "true() = 'FILE_NOT_AVAILABLE'";

           must "true() = 'DNS_CANNOT_BE_RESOLVED'";

           must "true() = 'TIMER_EXPIRED'";

           must "true() = 'OTHER'";

           must "true() = 'NULL'

           or 'UNKNOWN'

           or 'NO_STORAGE'

           or 'LOW_MEMORY'

           or 'NO_CONNECTION_TO_REMOTE_SERVER'

           or 'FILE_NOT_AVAILABLE'

           or 'DNS_CANNOT_BE_RESOLVED'

           or 'TIMER_EXPIRED'

           or 'OTHER'";

          }

          refine status {

           description "Limits to status applicable for file download.";