pub type PSAM_DELTA_NOTIFICATION_ROUTINE = Option<unsafe extern "system" fn(DomainSid: PSID, DeltaType: SECURITY_DB_DELTA_TYPE, ObjectType: SECURITY_DB_OBJECT_TYPE, ObjectRid: ULONG, ObjectName: PUNICODE_STRING, ModifiedCount: PLARGE_INTEGER, DeltaData: PSAM_DELTA_DATA) -> NTSTATUS>;