static DivOpInfo getTombstoneKey() { return DivOpInfo(true, nullptr, nullptr); }
static DivOpInfo getTombstoneKey() { return DivOpInfo(true, 0, 0); }
static DivOpInfo getEmptyKey() { return DivOpInfo(false, nullptr, nullptr); }
static DivOpInfo getEmptyKey() { return DivOpInfo(false, 0, 0); }