spool

var (
	// ErrUnknownRef is Load's error for a ref with no live grant, and
	// for a live grant whose ContentStore.Get fails.
	ErrUnknownRef = errors.New("spool: unknown ref")
	// ErrWrongPrincipal is Load's error when principal does not match
	// the grant's recorded principal.
	ErrWrongPrincipal = errors.New("spool: wrong principal")
	// ErrNoPrincipal is SpoolTool's error for a ctx with no principal
	// attached, when the inner result needs a grant.
	ErrNoPrincipal = errors.New("spool: no principal in context")
	// ErrNoBudget is NewSpool's error for a non-positive maxGrantBytes.
	ErrNoBudget = errors.New("spool: maxGrantBytes must be positive")
	// ErrGrantTooLarge is Spool's error when data alone exceeds
	// maxGrantBytes: no eviction can ever make room for it.
	ErrGrantTooLarge = errors.New("spool: content exceeds grant budget")
	// ErrPrincipalConflict is Spool's error when the store returns a
	// ref already granted to a different principal. A content-addressed
	// ContentStore returns the same ref for identical bytes regardless
	// of caller; without this check, a second principal spooling the
	// same content would silently take over the first principal's
	// grant.
	ErrPrincipalConflict = errors.New("spool: ref already granted to a different principal")
	// ErrExpired is Load's error for a grant whose expiry passed. The
	// grant drops on that Load, freeing its budget.
	ErrExpired = errors.New("spool: grant expired")
	// ErrInvalidExpiry is SpoolExpiring's error for a non-positive ttl.
	ErrInvalidExpiry = errors.New("spool: ttl must be positive")
	// ErrNilSpool is ReadOutputTool's error for a nil Spool.
	ErrNilSpool = errors.New("spool: spool is required")
	// ErrInvalidLimit is ReadOutputTool's error for a non-positive
	// maxPageBytes.
	ErrInvalidLimit = errors.New("spool: maxPageBytes must be positive")
	// ErrBadArguments is ReadOutputTool's error for a malformed
	// argument decode, a mistyped Run call, a negative offset, or a
	// negative limit.
	ErrBadArguments = errors.New("spool: bad arguments")
)