private int Initialize(int capacity)
{
var size = HashHelpers.GetPrime(capacity);
var buckets = new SegmentedList <int>(defaultSegmentSize, size);
var entries = new SegmentedList <Entry>(defaultSegmentSize, size);
// Assign member variables after both arrays allocated to guard against corruption from OOM if second fails
_freeList = -1;
_fastModMultiplier = HashHelpers.GetFastModMultiplier((uint)buckets.Capacity);
_buckets = buckets;
_entries = entries;
return(size);
}