diff --git a/annotation/type.go b/annotation/type.go
index 22ce1c4..46a212a 100644
--- a/annotation/type.go
+++ b/annotation/type.go
@@ -7,3 +7,9 @@ var TypeAnnotationType = reflect.TypeOf((*TypeAnnotation)(nil)).Elem()
 type TypeAnnotation interface {
 	Annotation
 }
+
+var MethodAnnotationType = reflect.TypeOf((*MethodAnnotation)(nil)).Elem()
+
+type MethodAnnotation interface {
+	Annotation
+}