MAC(context.Context, *MACRequest) ([]byte, error)
}

var ( // compiler checks
	_ conn = (*kmsConn)(nil)
	_ conn = (*kesConn)(nil)
	_ conn = secretKey{}
)

// Supported KMS types
const (
	MinKMS  Type = iota + 1 // MinIO KMS
	MinKES                  // MinIO MinKES
	Builtin                 // Builtin single key KMS implementation
)

// Type identifies the KMS type.
type Type uint

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package dsync

import (
	"context"
	"fmt"
	"runtime"
	"sync/atomic"
	"testing"
	"time"
)

const (
	id     = "1234-5678"
	source = "main.go"
)

func testSimpleWriteLock(t *testing.T, duration time.Duration) (locked bool) {
	drwm1 := NewDRWMutex(ds, "simplelock")
	ctx1, cancel1 := context.WithCancel(t.Context())

import (
	"errors"
	"fmt"
	"strings"

	"github.com/minio/minio/internal/s3select/jstream"
	"github.com/minio/simdjson-go"
)

var errBadLimitSpecified = errors.New("Limit value must be a positive integer")

const (
	baseTableName = "s3object"
)

// SelectStatement is the top level parsed and analyzed structure
type SelectStatement struct {
	selectAST *Select

	// Analysis result of the statement
	selectQProp qProp

		dst.Code = dsync.RespLockConflict
	case errLockNotFound:
		dst.Code = dsync.RespLockNotFound
	default:
		dst.Code = dsync.RespErr
		dst.Err = err.Error()
	}
	return dst, nil
}

const (
	// Lock maintenance interval.
	lockMaintenanceInterval = 1 * time.Minute

	// Lock validity duration
	lockValidityDuration = 1 * time.Minute
)

// lockMaintenance loops over all locks and discards locks

}

type metacacheManager struct {
	mu      sync.RWMutex
	init    sync.Once
	buckets map[string]*bucketMetacache
	trash   map[string]metacache // Recently deleted lists.
}

const metacacheMaxEntries = 5000

// initManager will start async saving the cache.
func (m *metacacheManager) initManager() {
	// Add a transient bucket.
	// Start saver when object layer is ready.
	go func() {

	"github.com/minio/kms-go/kes"
	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio/internal/kms"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/mux"
	"github.com/minio/pkg/v3/policy"
)

const (
	// Bucket Encryption configuration file name.
	bucketSSEConfig = "bucket-encryption.xml"
)

// PutBucketEncryptionHandler - Stores given bucket encryption configuration

	"github.com/minio/minio/internal/config"
	xhttp "github.com/minio/minio/internal/http"
	xnet "github.com/minio/pkg/v3/net"
	"github.com/minio/pkg/v3/policy"
)

// Authorization Plugin config and env variables
const (
	URL         = "url"
	AuthToken   = "auth_token"
	EnableHTTP2 = "enable_http2"

	EnvPolicyPluginURL         = "MINIO_POLICY_PLUGIN_URL"
	EnvPolicyPluginAuthToken   = "MINIO_POLICY_PLUGIN_AUTH_TOKEN"

	entries     map[K]*Entry[K, V]
	newestEntry time.Time
}

// noEvictionTTL - very long ttl to prevent eviction
const noEvictionTTL = time.Hour * 24 * 365 * 10

// because of uint8 usage for nextCleanupBucket, should not exceed 256.
// casting it as uint8 explicitly requires type conversions in multiple places
const numBuckets = 100

// NewLRU returns a new thread-safe cache with expirable entries.
//

	"github.com/valyala/bytebufferpool"
)

const (

	// maxWorkers is the maximum number of concurrent http loggers
	maxWorkers = 16

	// maxWorkers is the maximum number of concurrent batch http loggers
	maxWorkersWithBatchEvents = 4

	// the suffix for the configured queue dir where the logs will be persisted.
	httpLoggerExtension = ".http.log"
)

const (
	statusOffline = iota
	statusOnline
	statusClosed

}

// MetricType - represents the type of a metric.
type MetricType int

const (
	// CounterMT - represents a counter metric.
	CounterMT MetricType = iota
	// GaugeMT - represents a gauge metric.
	GaugeMT
	// HistogramMT - represents a histogram metric.
	HistogramMT
)

// rangeL - represents a range label.
const rangeL = "range"

func (mt MetricType) String() string {
	switch mt {
	case CounterMT: