metaMap := make(map[string]string)
	for _, policy := range postPolicyForm.Conditions.Policies {
		if strings.HasPrefix(policy.Key, "$x-amz-meta-") {
			formCanonicalName := http.CanonicalHeaderKey(strings.TrimPrefix(policy.Key, "$"))
			metaMap[formCanonicalName] = policy.Value
		}
	}
	// Check if any extra metadata field is passed as input
	for key := range formValues {
		if strings.HasPrefix(key, "X-Amz-Meta-") {

						if s == clause.Associations {
							selects = append(selects, s)
						} else if columnPrefix := column + "."; strings.HasPrefix(s, columnPrefix) {
							selects = append(selects, strings.TrimPrefix(s, columnPrefix))
						}
					}

					if len(selects) > 0 {
						tx = tx.Select(selects)
					}
				}

				for _, cond := range queryConds {

// the prefix of `text`, otherwise it must be a substring.
func matcher(text, pat string, leadingPercent bool) (res string, match bool) {
	if !leadingPercent {
		res = strings.TrimPrefix(text, pat)
		if len(text) == len(res) {
			return "", false
		}
	} else {
		parts := strings.SplitN(text, pat, 2)
		if len(parts) == 1 {
			return "", false
		}
		res = parts[1]
	}

	case usersPrefix:
		accessKey := path.Dir(strings.TrimPrefix(event.keyPath, iamConfigUsersPrefix))
		err = sys.store.UserNotificationHandler(ctx, accessKey, regUser)
	case stsPrefix:
		accessKey := path.Dir(strings.TrimPrefix(event.keyPath, iamConfigSTSPrefix))
		err = sys.store.UserNotificationHandler(ctx, accessKey, stsUser)
	case svcPrefix:
		accessKey := path.Dir(strings.TrimPrefix(event.keyPath, iamConfigServiceAccountsPrefix))

	"strings"

	"github.com/tinylib/msgp/msgp"
	"github.com/zeebo/xxh3"
)

// Op is operation type.
//
//go:generate msgp -unexported -file=$GOFILE
//go:generate stringer -type=Op -output=msg_string.go -trimprefix=Op $GOFILE

// Op is operation type messages.
type Op uint8

// HandlerID is the ID for the handler of a specific type.
type HandlerID uint8

const (
	// OpConnect is a connect request.

	{"TrimRight", []byte{'a'}, "ab", []byte{}},
	{"TrimRight", []byte{'a', 'b'}, "ab", []byte{}},
	{"TrimRight", []byte("☺"), "☺", []byte{}},
	{"TrimPrefix", nil, "", nil},
	{"TrimPrefix", []byte{}, "", []byte{}},
	{"TrimPrefix", []byte{'a'}, "a", []byte{}},
	{"TrimPrefix", []byte("☺"), "☺", []byte{}},
	{"TrimSuffix", nil, "", nil},
	{"TrimSuffix", []byte{}, "", []byte{}},
	{"TrimSuffix", []byte{'a'}, "a", []byte{}},

// If the SSE configuration does not specify SSE-KMS it returns an
// empty key ID.
func (b *BucketSSEConfig) KeyID() string {
	for _, rule := range b.Rules {
		return strings.TrimPrefix(rule.DefaultEncryptionAction.MasterKeyID, crypto.ARNPrefix)
	}
	return ""

	cfg := NewConfig()
	switch subSys {
	case config.LoggerWebhookSubSys:
		var loggerTargets []string
		envs := env.List(legacyEnvLoggerHTTPEndpoint)
		for _, k := range envs {
			target := strings.TrimPrefix(k, legacyEnvLoggerHTTPEndpoint+config.Default)
			if target == legacyEnvLoggerHTTPEndpoint {
				target = config.Default
			}
			loggerTargets = append(loggerTargets, target)
		}

		}
	}

	keyID := h.Get(xhttp.AmzServerSideEncryptionKmsID)
	spaces := strings.HasPrefix(keyID, " ") || strings.HasSuffix(keyID, " ")
	if spaces {
		return "", nil, ErrInvalidEncryptionKeyID
	}
	return strings.TrimPrefix(keyID, ARNPrefix), ctx, nil
}

// IsEncrypted returns true if the object metadata indicates
// that the object was uploaded using SSE-KMS.
func (ssekms) IsEncrypted(metadata map[string]string) bool {

	"strings"
	"sync/atomic"
	"time"

	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio/internal/disk"
	ioutilx "github.com/minio/minio/internal/ioutil"
)

//go:generate stringer -type=osMetric -trimprefix=osMetric $GOFILE

type osMetric uint8

const (
	osMetricRemoveAll osMetric = iota
	osMetricMkdirAll
	osMetricMkdir
	osMetricRename
	osMetricOpenFileW
	osMetricOpenFileR
	osMetricOpenFileWFd