memory

var (
	// ErrUnknownGrantRef is Load's error for a ref with no live grant, and
	// for a live grant whose ContentStore.Get fails.
	ErrUnknownGrantRef = errors.New("memory: unknown ref")
	// ErrWrongPrincipal is Load's error when principal does not match
	// the grant's recorded principal.
	ErrWrongPrincipal = errors.New("memory: wrong principal")
	// ErrNoPrincipal is SpoolTool's error for a ctx with no principal
	// attached, when the inner result needs a grant.
	ErrNoPrincipal = errors.New("memory: no principal in context")
	// ErrInvalidOptions is the sentinel for a caller-supplied
	// constructor argument that fails a sanity check, such as a
	// non-positive maxGrantBytes. It also covers a call-time
	// argument that fails its rule, such as Spool.SpoolExpiring's
	// non-positive ttl.
	ErrInvalidOptions = errors.New("memory: invalid options")
	// ErrGrantTooLarge is Spool's error when data alone exceeds
	// maxGrantBytes: no eviction can ever make room for it.
	ErrGrantTooLarge = errors.New("memory: 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("memory: 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("memory: grant expired")
	// ErrNilSpool is ReadOutputTool's error for a nil Spool.
	ErrNilSpool = errors.New("memory: spool is required")
	// ErrInvalidLimit is ReadOutputTool's error for a non-positive
	// maxPageBytes.
	ErrInvalidLimit = errors.New("memory: 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("memory: bad arguments")
)

var (
	// ErrBudgetExceeded is the sentinel for a blob that Put rejects
	// because it is larger than the store's budget.
	ErrBudgetExceeded = errors.New("memory: content exceeds store budget")
	// ErrUnknownRef is the sentinel for a ref that Get does not hold.
	ErrUnknownRef = errors.New("memory: unknown ref")
)