namespace fexgen { struct returns_guest_pointer {}; struct custom_host_impl {}; struct custom_guest_entrypoint {}; struct generate_guest_symtable {}; struct indirect_guest_calls {}; struct callback_annotation_base { // Prevent annotating multiple callback strategies bool prevent_multiple; }; struct callback_stub : callback_annotation_base {}; struct callback_guest : callback_annotation_base {}; } // namespace fexgen