You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: intern.go
    path of file: ./repos/kubeedge/vendor/k8s.io/kube-openapi/pkg/internal/third_party/go-json-experiment/json
    
    the code of the file until where you have to start completion: // Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package json

import (
	"encoding/binary"
	"math/bits"
)

// stringCache is a cache for strings converted from a []byte.
type stringCache [256]string // 256*unsafe.Sizeof(string("")) => 4KiB

// make returns the string form of b.
// It returns a pre-allocated string from c if present, otherwise
// it allocates a new string, inserts it into the cache, and returns it.
func (c *stringCache) make(b []byte) string {
	const (
		minCachedLen = 2   // single byte strings are already interned by the runtime
		maxCachedLen = 256 // large enough for UUIDs, IPv6 addresses, SHA-256 checksums, etc.
	)
	if c == nil || len(b) < minCachedLen || len(b) > maxCachedLe
    
func hash64(lo, hi uint32) uint32 {
	// If avalanche=true, this is identical to XXH32 hash on a 8B string:
	//	var b [8]byte
	//	binary.LittleEndian.PutUint32(b[:4], lo)
	//	binary.LittleEndian.PutUint32(b[4:], hi)
	//	return xxhash.Sum32(b[:])
	const (
		prime1 = 0x9e3779b1
		prime2 = 0x85ebca77
		prime3 = 0xc2b2ae3d
		prime4 = 0x27d4eb2f
		prime5 = 0x165667b1
	)
	h := prime5 + uint32(8)
	h += lo * prime3
	h = bits.RotateLeft32(h, 17) * prime4
	h += hi * prime3
	h = bits.RotateLeft32(h, 17) * prime4
	// Skip final mix (avalanche) step of XXH32 for performance reasons.
	// Empirical testing shows that the improvements in unbiased distribution
	// does not outweigh the extra cost in computational complexity.
	const avalanche = false
	if avalanche {
		h ^= h >> 15
		h *= prime2
		h ^= h >> 13
		h *= prime3
		h ^= h >> 16
	}
	return h
}