152,153c152,153
< uint64_t cachedSize;
< uint64_t cachedStart;
---
> uint64_t _size;
> uint64_t _start;
156,157c156,157
< uint64_t size() { return cachedSize; }
< uint64_t start() { return cachedStart; }
---
> uint64_t size() { return _size; }
> uint64_t start() { return _start; }