private void putEntry(DirectBytes keyBytes, V value, int hash2) {
   int pos = nextFree();
   long offset = entriesOffset + pos * builder.entrySize();
   tmpBytes.storePositionAndSize(bytes, offset, builder.entrySize());
   long keyLength = keyBytes.remaining();
   tmpBytes.writeStopBit(keyLength);
   tmpBytes.write(keyBytes);
   tmpBytes.position(align(tmpBytes.position()));
   appendInstance(keyBytes, value);
   // add to index if successful.
   hashLookup.put(hash2, pos);
 }
 private V acquireEntry(DirectBytes keyBytes, V value, int hash2) {
   int pos = nextFree();
   long offset = entriesOffset + pos * builder.entrySize();
   tmpBytes.storePositionAndSize(bytes, offset, builder.entrySize());
   long keyLength = keyBytes.remaining();
   tmpBytes.writeStopBit(keyLength);
   tmpBytes.write(keyBytes);
   tmpBytes.position(align(tmpBytes.position()));
   tmpBytes.zeroOut(tmpBytes.position(), tmpBytes.limit());
   V v = readObjectUsing(value, offset + tmpBytes.position());
   // add to index if successful.
   hashLookup.put(hash2, pos);
   return v;
 }