static int resizeStamp(int n) {
    return Integer.numberOfLeadingZeros(n) | (1 << (RESIZE_STAMP_BITS - 1));
  }
Returns the stamp bits for resizing a table of size n. Must be negative when shifted left by
RESIZE_STAMP_SHIFT.
geode-core/src/main/java/org/apache/geode/internal/concurrent/CompactConcurrentHashSet2.java