type Plugin interface {
	Name() string
	Initialize(*DB) error
}

type ParamsFilter interface {
	ParamsFilter(ctx context.Context, sql string, params ...interface{}) (string, []interface{})
}

// ConnPool db conns pool interface
type ConnPool interface {
	PrepareContext(ctx context.Context, query string) (*sql.Stmt, error)
	ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error)

    # has its own internal pool (e.g. a database connection pool)
    # to avoid this we let __exit__ run without a capacity limit
    # since we're creating a new limiter for each call, any non-zero limit
    # works (1 is arbitrary)
    exit_limiter = CapacityLimiter(1)
    try:
        yield await run_in_threadpool(cm.__enter__)
    except Exception as e:
        ok = bool(
            await anyio.to_thread.run_sync(

		return token, -1
	}
	subToken = token[:i]
	return subToken, nodeIndex
}

func proxyRequestByToken(ctx context.Context, w http.ResponseWriter, r *http.Request, token string, returnErr bool) (subToken string, proxied bool, success bool) {
	var nodeIndex int
	if subToken, nodeIndex = parseRequestToken(token); nodeIndex >= 0 {
		proxied, success = proxyRequestByNodeIndex(ctx, w, r, nodeIndex, returnErr)
	}

var tarinsecurepath = godebug.New("tarinsecurepath")

var (
	ErrHeader          = errors.New("archive/tar: invalid tar header")
	ErrWriteTooLong    = errors.New("archive/tar: write too long")
	ErrFieldTooLong    = errors.New("archive/tar: header field too long")
	ErrWriteAfterClose = errors.New("archive/tar: write after close")
	ErrInsecurePath    = errors.New("archive/tar: insecure file path")

	LockEnabled       bool
	VersioningEnabled bool
	ForceCreate       bool      // Create buckets even if they are already created.
	CreatedAt         time.Time // only for site replication
	NoLock            bool      // does not lock the make bucket call if set to 'true'
}

// DeleteBucketOptions provides options for DeleteBucket calls.
type DeleteBucketOptions struct {

Klaus Post <******@****.***> 1759093161 +0200

Klaus Post <******@****.***> 1759093161 +0200

Klaus Post <******@****.***> 1759093161 +0200

	Writer          bool   // Bool whether write or read lock.
	UID             string // UID to uniquely identify request of client.
	Timestamp       int64  // Timestamp set at the time of initialization.
	TimeLastRefresh int64  // Timestamp for last lock refresh.
	Source          string // Contains line, function and filename requesting the lock.
	Group           bool   // indicates if it was a group lock.

	return HashBorrower{pool: &s.HasherPool, borrowed: make([]hash.Hash, 0, 2)}
}

// HashBorrower keeps track of borrowed hashers and allows to return them all.
type HashBorrower struct {
	pool     *bpool.Pool[hash.Hash]
	borrowed []hash.Hash
}

// Borrow a single hasher.
func (h *HashBorrower) Borrow() hash.Hash {
	hasher := h.pool.Get()
	h.borrowed = append(h.borrowed, hasher)
	hasher.Reset()