public boolean delete(final Txn<ByteBuffer> writeTxn, final ByteBuffer keyBuffer) {
        try {
            boolean result = lmdbDbi.delete(writeTxn, keyBuffer);
            if (LOGGER.isTraceEnabled()) {
                LOGGER.trace("delete(txn, {}) returned {}", ByteBufferUtils.byteBufferInfo(keyBuffer), result);
            }
            return result;
        } catch (RuntimeException e) {
            throw new RuntimeException(LogUtil.message("Error deleting key {}",
                    ByteBufferUtils.byteBufferInfo(keyBuffer)), e);
        }
    }
Delete the entry with the passed keyBuffer.

@return True if the entry was found and deleted.
stroom-lmdb/src/main/java/stroom/lmdb/AbstractLmdbDb.java