for _, podSubnet := range subnets {
		// obtain podSubnet mask
		mask := podSubnet.Mask
		maskSize, _ := mask.Size()
		// obtain node-cidr-mask
		nodeMask, err := getClusterNodeMask(c, netutils.IsIPv6(podSubnet.IP))
		if err != nil {
			allErrs = append(allErrs, field.Invalid(fldPath, podSubnet.String(), err.Error()))
			continue
		}
		// the pod subnet mask needs to allow one or multiple node-masks

  }

  private RegularImmutableMap(
      Entry<K, V>[] entries, @CheckForNull @Nullable ImmutableMapEntry<K, V>[] table, int mask) {
    this.entries = entries;
    this.table = table;
    this.mask = mask;
  }

  /**
   * Checks if the given key already appears in the hash chain starting at {@code keyBucketHead}. If

		}

		for idx, cidr := range clusterCIDRs {
			mask := cidr.Mask
			if maskSize, _ := mask.Size(); maskSize > nodeCIDRMaskSizes[idx] {
				return nil, fmt.Errorf("Controller: Invalid --cluster-cidr, mask size of cluster CIDR must be less than or equal to --node-cidr-mask-size configured for CIDR family")
			}
		}
	}

	ic := &Controller{
		cloud:                cloud,

	arena := mheap_.arenas[ai.l1()][ai.l2()]
	arenaWord := (obj / heapArenaBytes / 8) % uintptr(len(arena.checkmarks.b))
	mask := byte(1 << ((obj / heapArenaBytes) % 8))
	bytep := &arena.checkmarks.b[arenaWord]

	if atomic.Load8(bytep)&mask != 0 {
		// Already checkmarked.
		return true
	}

	atomic.Or8(bytep, mask)
	return false

    if (element == null || hashTable.length == 0) {
      return 0;
    }
    int hash = Hashing.smearedHash(element);
    int mask = hashTable.length - 1;
    for (ImmutableEntry<?> entry = hashTable[hash & mask];
        entry != null;
        entry = entry.nextInBucket()) {
      if (Objects.equal(element, entry.getElement())) {
        return entry.getCount();
      }
    }

				}
			}
		}
		mask = mask1
	default:
		b.Fatal("unknown mask color model", mcm)
	}

	b.StartTimer()
	for i := 0; i < b.N; i++ {
		// Scatter the destination rectangle to draw into.
		x := 3 * i % (dstw - srcw)
		y := 7 * i % (dsth - srch)

		DrawMask(dst, dst.Bounds().Add(image.Pt(x, y)), src, image.Point{}, mask, image.Point{}, op)
	}
}

	if maskConfigured {
		// original mask flag is still the main reference.
		if maskV4Configured || maskV6Configured {
			return nil, errors.New("usage of --node-cidr-mask-size-ipv4 and --node-cidr-mask-size-ipv6 is not allowed if --node-cidr-mask-size is set. For dual-stack clusters please unset it and use IPFamily specific flags")
		}

		mask := int(cfg.NodeCIDRMaskSize)
		return sortedSizes(mask, mask), nil
	}

			v = 0
		} else if v > 32 {
			v = 32
		}
		var mask [2]uint8
		switch p.As {
		case AROTLW:
			mask[0], mask[1] = 0, 31
		case ASRW, ASRWCC:
			mask[0], mask[1] = uint8(v), 31
			v = 32 - v
		default:
			mask[0], mask[1] = 0, uint8(31-v)
		}
		o1 = OP_RLW(OP_RLWINM, uint32(p.To.Reg), uint32(r), uint32(v), uint32(mask[0]), uint32(mask[1]))
		if p.As == ASLWCC || p.As == ASRWCC {

	// Implemented using quadratic probing.
	// Probe sequence is h(i) = h0 + i*(i+1)/2 mod 2^k.
	// We're guaranteed to hit all table entries using this probe sequence.
	mask := t.size - 1
	h := itabHashFunc(inter, typ) & mask
	for i := uintptr(1); ; i++ {
		p := (**itab)(add(unsafe.Pointer(&t.entries), h*goarch.PtrSize))
		// Use atomic read here so if we see m != nil, we also see

	var mod, mask, high, div uint64

	if n < deg {
		div = 0
		return poly, div
	}
	mask = 1<<deg - 1
	poly &= mask
	mod = poly
	div = 1
	deg--
	n--
	for n > deg {
		high = (mod >> deg) & 1
		div = (div << 1) | high
		mod <<= 1
		if high != 0 {
			mod ^= poly
		}
		n--
	}
	return mod & mask, div
}

func main() {
	w := new(bytes.Buffer)