diff -r 51d14b0c68c0 -r 2bdc3ac5e77c src/uuid.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/uuid.h	Sat Aug 24 14:44:42 2019 +0300
@@ -0,0 +1,12 @@
+#pragma once
+#include <QString>
+#include <QTextStream>
+
+struct Uuid
+{
+    quint64 a;
+    quint64 b;
+};
+
+void incrementUuid(Uuid &uuid);
+void uuidToString(const Uuid &uuid, QTextStream &stream);