type SHA256Mismatch struct {
	ExpectedSHA256   string
	CalculatedSHA256 string
}

func (e SHA256Mismatch) Error() string {
	return "Bad sha256: Expected " + e.ExpectedSHA256 + " does not match calculated " + e.CalculatedSHA256
}

// BadDigest - Content-MD5 you specified did not match what we received.
type BadDigest struct {
	ExpectedMD5   string
	CalculatedMD5 string
}

const (
	defaultWindowSize = 10
)

type proxyStatsCache struct {
	srProxyStats ProxyMetric
	bucketStats  map[string]ProxyMetric
	sync.RWMutex // mutex for proxy stats
}

func newProxyStatsCache() proxyStatsCache {
	return proxyStatsCache{
		bucketStats: make(map[string]ProxyMetric),
	}
}

func (p *proxyStatsCache) inc(bucket string, api replProxyAPI, isErr bool) {
	p.Lock()
	defer p.Unlock()

	switch value := input.(type) {
	case string:
		return json.Unmarshal([]byte(value), l)
	case []byte:
		return json.Unmarshal(value, l)
	default:
		return errors.New("not supported")
	}
}

type ExampleStruct struct {
	Name string
	Val  string
}

func (ExampleStruct) GormDataType() string {
	return "bytes"
}

func (s ExampleStruct) Value() (driver.Value, error) {

type MRFReplicateEntry struct {
	Bucket     string `json:"bucket" msg:"b"`
	Object     string `json:"object" msg:"o"`
	versionID  string `json:"-"`
	RetryCount int    `json:"retryCount" msg:"rc"`
	sz         int64  `json:"-"`
}

// MRFReplicateEntries has the map of MRF entries to save to disk
type MRFReplicateEntries struct {
	Entries map[string]MRFReplicateEntry `json:"entries" msg:"e"`

}

type checksumInfoJSON struct {
	Name      string `json:"name"`
	Algorithm string `json:"algorithm"`
	Hash      string `json:"hash,omitempty"`
}

// MarshalJSON marshals the ChecksumInfo struct
func (c ChecksumInfo) MarshalJSON() ([]byte, error) {
	info := checksumInfoJSON{
		Name:      fmt.Sprintf("part.%d", c.PartNumber),
		Algorithm: c.Algorithm.String(),
		Hash:      hex.EncodeToString(c.Hash),
	}

			}
		}
	}
}

func TestLCP(t *testing.T) {
	testCases := []struct {
		prefixes     []string
		commonPrefix string
	}{
		{[]string{"", ""}, ""},
		{[]string{"a", "b"}, ""},
		{[]string{"a", "a"}, "a"},
		{[]string{"a/", "a/"}, "a/"},
		{[]string{"abcd/", ""}, ""},
		{[]string{"abcd/foo/", "abcd/bar/"}, "abcd/"},
		{[]string{"abcd/foo/bar/", "abcd/foo/bar/zoo"}, "abcd/foo/bar/"},
	}

	ctx := t.Context()
	testCases := []struct {
		name            string
		headers         http.Header
		wantObjectAttrs map[string]struct{}
	}{
		{
			name:            "empty header",
			headers:         http.Header{},
			wantObjectAttrs: map[string]struct{}{},
		},
		{
			name: "single header line",
			headers: http.Header{
				xhttp.AmzObjectAttributes: []string{"test1,test2"},
			},

	ChecksumCRC32C    string `xml:"ChecksumCRC32C,omitempty"`
	ChecksumSHA1      string `xml:"ChecksumSHA1,omitempty"`
	ChecksumSHA256    string `xml:"ChecksumSHA256,omitempty"`
	ChecksumCRC64NVME string `xml:",omitempty"`
}

// DeleteError structure.
type DeleteError struct {
	Code      string
	Message   string
	Key       string
	VersionID string `xml:"VersionId"`
}

)

// Statement statement
type Statement struct {
	*DB
	TableExpr            *clause.Expr
	Table                string
	Model                interface{}
	Unscoped             bool
	Dest                 interface{}
	ReflectValue         reflect.Value
	Clauses              map[string]clause.Clause
	BuildClauses         []string
	Distinct             bool
	Selects              []string          // selected columns

			sortedIPList: []string{"192.168.1.106", "172.0.21.1", "127.0.0.1"},
		},
		// With different ip along with localhost.
		{
			ipList:       []string{"127.0.0.1", "192.168.1.106"},
			sortedIPList: []string{"192.168.1.106", "127.0.0.1"},
		},
		// With a list of only one element nothing to sort.
		{
			ipList:       []string{"hostname"},
			sortedIPList: []string{"hostname"},
		},