code: public int updateExpirationTime(Object id, long oldExpirationTime, int size, long newExpirationTime, long newValidatorExpirationTime) {
          int returnCode = this.htod.updateExpirationTime(id, oldExpirationTime, size, newExpirationTime, newValidatorExpirationTime);
          if (returnCode == HTODDynacache.DISK_EXCEPTION) {
              stopOnError(this.htod.diskCacheException);
          }
          return returnCode;
      }
docs: This method is used to update expiration times in GC and disk emtry header