// RWLocker - locker interface to introduce GetRLock, RUnlock.
type RWLocker interface {
	GetLock(ctx context.Context, timeout *dynamicTimeout) (lkCtx LockContext, timedOutErr error)
	Unlock(lkCtx LockContext)
	GetRLock(ctx context.Context, timeout *dynamicTimeout) (lkCtx LockContext, timedOutErr error)
	RUnlock(lkCtx LockContext)
}

// LockContext lock context holds the lock backed context and canceler for the context.
type LockContext struct {

func (m MQTTArgs) Validate() error {
	if !m.Enable {
		return nil
	}
	u, err := xnet.ParseURL(m.Broker.String())
	if err != nil {
		return err
	}
	switch u.Scheme {
	case "ws", "wss", "tcp", "ssl", "tls", "tcps":
	default:
		return errors.New("unknown protocol in broker address")
	}
	if m.QueueDir != "" {
		if !filepath.IsAbs(m.QueueDir) {
			return errors.New("queueDir path should be absolute")
		}

	byteBuf      []byte
	finished     bool
}

func (b *streamingBitrotWriter) Write(p []byte) (int, error) {
	if len(p) == 0 {
		return 0, nil
	}
	if b.finished {
		return 0, errors.New("bitrot write not allowed")
	}
	if int64(len(p)) > b.shardSize {
		return 0, errors.New("unexpected bitrot buffer size")
	}
	if int64(len(p)) < b.shardSize {
		b.finished = true
	}
	b.h.Reset()
	b.h.Write(p)

package bufio

import (
	"bytes"
	"errors"
	"io"
	"strings"
	"unicode/utf8"
)

const (
	defaultBufSize = 4096
)

var (
	ErrInvalidUnreadByte = errors.New("bufio: invalid use of UnreadByte")
	ErrInvalidUnreadRune = errors.New("bufio: invalid use of UnreadRune")
	ErrBufferFull        = errors.New("bufio: buffer full")
	ErrNegativeCount     = errors.New("bufio: negative count")
)

// Buffered input.

	saveUserIdentity(ctx context.Context, name string, userType IAMUserType, u UserIdentity, opts ...options) error
	saveGroupInfo(ctx context.Context, group string, gi GroupInfo) error
	deletePolicyDoc(ctx context.Context, policyName string) error
	deleteMappedPolicy(ctx context.Context, name string, userType IAMUserType, isGroup bool) error
	deleteUserIdentity(ctx context.Context, name string, userType IAMUserType) error

    /** Name service error class */
    public static final int ERR_NAM_SRVC = 0x01;
    /** Session service error class */
    public static final int ERR_SSN_SRVC = 0x02;

    // name service error codes
    /** Format error in the name service */
    public static final int FMT_ERR = 0x1;
    /** Server error in the name service */
    public static final int SRV_ERR = 0x2;
    /** Implementation error in the name service */

		return
	}

	var s3Err Error
	if errors.As(err, &s3Err) && s3Err.Code >= http.StatusInternalServerError {
		k.reqFail.Add(1)
	} else {
		k.reqErr.Add(1)
	}
}

type kmsConn struct {
	endpoints  []string
	enclave    string
	defaultKey string
	client     *kms.Client
}

func (c *kmsConn) Version(ctx context.Context) (string, error) {

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

package cachevalue

import (
	"context"
	"errors"
	"testing"
	"time"
)

func slowCaller(ctx context.Context) error {
	sl := time.NewTimer(time.Second)
	defer sl.Stop()

	select {
	case <-sl.C:
	case <-ctx.Done():
		return ctx.Err()
	}

	return nil
}

		return
	}
}

// readAllInto reads from r and appends to b until an error or EOF and returns the data it read.
// A successful call returns err == nil, not err == EOF. Because readAllInto is
// defined to read from src until EOF, it does not treat an EOF from Read
// as an error to be reported.
func readAllInto(b []byte, r *wsutil.Reader, want int64) ([]byte, error) {
	read := int64(0)
	for {
		if len(b) == cap(b) {

    public InvalidPluginDescriptorException(String message, List<String> errors) {
        super(toMessage(message, errors));
    }

    private static String toMessage(String message, List<String> errors) {
        StringBuilder buffer = new StringBuilder(256);
        buffer.append(message);
        for (String error : errors) {
            buffer.append(", ").append(error);
        }
        return buffer.toString();
    }