The type lives in the QtJniTypes namespace, which is where types end up that are declared through the Q_DECLARE_JNI_CLASS/TYPE macros. Having a String type in that namespace prevents us from declaring the Java String class as a QtJniTypes type, which is silly. Perhaps this type becomes obsolete at some point with std::string being a constexpr type in C++23, but until then we need it. It has no ABI, so renaming it us safe. Until submodules are ported, leave a compatibility alias String type, which also prevents us from declaring a String JNI class in tests until the alias is removed in a later commit. Change-Id: I489a40a9b9e94e6495cf54548238438e9220d5c1 Reviewed-by: Zoltan Gera <zoltan.gera@qt.io> Reviewed-by: Tinja Paavoseppä <tinja.paavoseppa@qt.io> Reviewed-by: Petri Virkkunen <petri.virkkunen@qt.io>