if (p == KEY_NOT_FOUND) return null;
if (p == KEY_NOT_FOUND) { LOG.debug("key not found"); return null; }
    public VariableByteInput getAsStream(Value key) throws IOException {        try {            final long p = findValue(key);            if (p == KEY_NOT_FOUND) return null;            final long pnum = StorageAddress.pageFromPointer(p);            final DataPage page = getDataPage(pnum);            switch (page.getPageHeader().getStatus()) {                case MULTI_PAGE:                    return ((OverflowPage) page).getDataStream(p);                default:                    return getAsStream(page, p);            }        } catch (BTreeException b) {            LOG.debug("key " + key + " not found");        }        return null;    }