Use this macro with SDL_ELF_NOTE_DLOPEN() to note that a dynamic shared library dependency is required.
Defined in <SDL3/SDL_dlopennote.h>
#define SDL_ELF_NOTE_DLOPEN_PRIORITY_REQUIRED "required"
Core functionality needs the dependency, the binary will not work if it cannot be found.
This macro is available since SDL 3.4.0.