diff --git a/dummy.go b/dummy.go
index d28e9a8..37baf39 100644
--- a/dummy.go
+++ b/dummy.go
@@ -12,3 +12,8 @@ import (
 
 // ErrDummy is a dummy.
 var ErrDummy = errors.New("dummy")
+
+// PublicAPI is a dummy public API definition.
+type PublicAPI struct {
+	PublicMember int
+}