@@ -178,10 +178,20 @@
 struct objc_property_list {
 	unsigned int count;
 	struct objc_property_list *_Nullable next;
 	struct objc_property properties[1];
 };
+
+struct objc_method_description {
+	const char *_Nonnull name;
+	const char *_Nonnull typeEncoding;
+};
+
+struct objc_method_description_list {
+	int count;
+	struct objc_method_description list[1];
+};
 
 #ifdef __OBJC__
 # if __has_attribute(__objc_root_class__)
 __attribute__((__objc_root_class__))
 # endif
@@ -192,12 +202,12 @@
 typedef struct {
 #endif
 	Class _Nonnull isa;
 	const char *_Nonnull name;
 	struct objc_protocol_list *_Nullable protocolList;
-	struct objc_abi_method_description_list *_Nullable instanceMethods;
-	struct objc_abi_method_description_list *_Nullable classMethods;
+	struct objc_method_description_list *_Nullable instanceMethods;
+	struct objc_method_description_list *_Nullable classMethods;
 #ifdef __OBJC__
 }
 @end
 #else
 } Protocol;