docs: private boolean shouldIgnore(Path filePath, long modificationTime) {
  		assert (Thread.holdsLock(checkpointLock));
  		boolean shouldIgnore = modificationTime <= globalModificationTime;
  		if (shouldIgnore && LOG.isDebugEnabled()) {
  			LOG.debug("Ignoring " + filePath + ", with mod time= " + modificationTime +
  				" and global mod time= " + globalModificationTime);
  		}
  		return shouldIgnore;
  	}