var sddl *uint16
	err := convertSecurityDescriptorToStringSecurityDescriptor(sd, 1, 0xff, &sddl, nil)
	if err != nil {
		return ""
	}
	defer LocalFree(Handle(unsafe.Pointer(sddl)))
	return UTF16PtrToString(sddl)
}

// ToAbsolute converts a self-relative security descriptor into an absolute one.
func (selfRelativeSD *SECURITY_DESCRIPTOR) ToAbsolute() (absoluteSD *SECURITY_DESCRIPTOR, err error) {