package access import "errors" var (	// ErrNoCredentials indicates no recognizable credentials were supplied.	ErrNoCredentials = errors.New("access: no credentials provided")	// ErrInvalidCredential signals that supplied credentials were rejected by a provider.	ErrInvalidCredential = errors.New("access: invalid credential")	// ErrNotHandled tells the manager to continue trying other providers.	ErrNotHandled = errors.New("access: not handled"))