errors

var (
	ErrNotFound        = stderrors.New("not found")
	ErrAlreadyExists   = stderrors.New("already exists")
	ErrPermission      = stderrors.New("permission denied")
	ErrAdminRequired   = stderrors.New("admin privileges required")
	ErrInvalidPath     = stderrors.New("invalid path")
	ErrCancelled       = stderrors.New("cancelled")
	ErrNotSupported    = stderrors.New("not supported")
	ErrConflict        = stderrors.New("conflict")
	ErrIO              = stderrors.New("io failure")
	ErrPartial         = stderrors.New("partial failure")
	ErrReadOnly        = stderrors.New("read-only filesystem")
	ErrNoSpace         = stderrors.New("no space left on device")
	ErrNotDirectory    = stderrors.New("not a directory")
	ErrIsDirectory     = stderrors.New("is a directory")
	ErrNameTooLong     = stderrors.New("file name too long")
	ErrTooManySymlinks = stderrors.New("too many symbolic links")
	ErrCrossDevice     = stderrors.New("cross-device operation")
	ErrBusy            = stderrors.New("resource busy")
	ErrResourceLimit   = stderrors.New("resource limit exceeded")
	// ErrMutationUncertain marks a possible or partial mutation whose complete
	// effect cannot be reliably reconstructed. It does not establish an Undo
	// target. Join it with the underlying causes (and ErrPartial when applicable).
	// Existence/conflict helpers must not treat child causes as definitive root
	// outcomes; errors.Is still exposes those causes for diagnostics.
	ErrMutationUncertain = stderrors.New("mutation outcome uncertain")
	// ErrIrreversible marks an operation as no longer undoable/redoable because
	// the external world has changed (e.g. paths removed or replaced by other
	// processes). Consumers may prune such entries from undo/redo history.
	ErrIrreversible = stderrors.New("irreversible")
)