MONO_BEGIN_DECLS
+typedef int (*MonoGCReferences) (MonoObject *obj, MonoClass *klass, uintptr_t size, uintptr_t num, MonoObject **refs, uintptr_t *offsets, void *data);
+
void mono_gc_collect (int generation);
int mono_gc_max_generation (void);
int mono_gc_get_generation (MonoObject *object);
int64_t mono_gc_get_used_size (void);
int64_t mono_gc_get_heap_size (void);
int mono_gc_invoke_finalizers (void);
+/* heap walking is only valid in the pre-stop-world event callback */
+int mono_gc_walk_heap (int flags, MonoGCReferences callback, void *data);
MONO_END_DECLS