// 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 {

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.

	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)

		return err
	}

	xhttp.DrainBody(resp.Body)
	if resp.StatusCode != http.StatusOK {
		return errors.New(resp.Status)
	}

	return nil
}

// Notify notifies notification endpoint if configured regarding job failure or success.
func (r BatchJobReplicateV1) Notify(ctx context.Context, ri *batchJobInfo) error {
	return notifyEndpoint(ctx, ri, r.Flags.Notify.Endpoint, r.Flags.Notify.Token)
}

type disconnectReader struct {
	r  io.Reader
	mu sync.Mutex
}

func (d *disconnectReader) Read(p []byte) (n int, err error) {
	d.mu.Lock()
	defer d.mu.Unlock()
	if d.r != nil {
		return d.r.Read(p)
	}
	return 0, errors.New("reader closed")
}

func (d *disconnectReader) Close() error {
	d.mu.Lock()
	d.r = nil
	d.mu.Unlock()
	return nil
}

		t.Fatalf("unexpected error %v", err)
	}

	if err = storage.MakeVol(t.Context(), "bar"); err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	restClient, err := newStorageRESTClient(endpoint, false, tg.Managers[0])
	if err != nil {
		t.Fatal(err)
	}

	for {
		_, err := restClient.DiskInfo(t.Context(), DiskInfoOptions{})
		if err == nil || errors.Is(err, errUnformattedDisk) {
			break

	if m.status == scanStateStarted && time.Since(m.lastHandout) > metacacheMaxClientWait {
		// Drop if client hasn't been seen for 3 minutes.
		m.status = scanStateError
		m.error = "client not seen"
	}

	if m.error == "" && update.error != "" {
		m.error = update.error
		m.status = scanStateError
		m.ended = now
	}
	m.fileNotFound = m.fileNotFound || update.fileNotFound
}

// delete all cache data on disks.

            "999,Unknown error code: 999" })
    @DisplayName("getErrorString for SSN service errors")
    void testSessionServiceErrors(int errorCode, String description) {
        int errSsn = NbtException.ERR_SSN_SRVC;
        String message = NbtException.getErrorString(errSsn, errorCode);
        assertTrue(message.contains(description));
    }

    @Test
    @DisplayName("getErrorString for unknown error class")

    }

    @Test
    @DisplayName("Should create SmbException with message")
    void testSmbExceptionWithMessage() {
        // Given
        String message = "Custom error message";

        // When
        SmbException exception = new SmbException(message);

        // Then
        assertNotNull(exception);
        assertEquals(message, exception.getMessage());
    }

 *
 * This exception is used to indicate errors that occur during the execution
 * of SSO authentication and authorization processes. It extends FessSystemException
 * to provide consistent error handling within the Fess system for SSO-related
 * processing failures such as token validation errors, communication failures
 * with SSO providers, or configuration issues.
 */