docs: @Override
  	@SuppressWarnings("UnusedParameters")
  	public Object get(Object session, Object key, long txTimestamp) throws CacheException {
  		if ( !region.checkValid() ) {
  			return null;
  		}
  		final Object val = cache.get( key );
  		if (val == null && session != null) {
  			putValidator.registerPendingPut(session, key, txTimestamp );
  		}
  		return val;
  	}