diff --git a/lib/utils/templatize.js b/lib/utils/templatize.js
index 60a2a8b104..8ec2c2ba8a 100644
--- a/lib/utils/templatize.js
+++ b/lib/utils/templatize.js
@@ -398,8 +398,8 @@ function addPropagateEffects(target, templateInfo, options, methodHost) {
         // NOTE: due to https://github.com/google/closure-compiler/issues/2928,
         // combining the next two lines into one assignment causes a spurious
         // type error.
-        class TemplatizedTemplate extends templatizedBase {}
         /** @private */
+        class TemplatizedTemplate extends templatizedBase {}
         klass = templateInfo.templatizeTemplateClass = TemplatizedTemplate;
       } else {
         /**
@@ -413,8 +413,8 @@ function addPropagateEffects(target, templateInfo, options, methodHost) {
         // NOTE: due to https://github.com/google/closure-compiler/issues/2928,
         // combining the next two lines into one assignment causes a spurious
         // type error.
-        class TemplatizedTemplateExtension extends templatizedBase {}
         /** @private */
+        class TemplatizedTemplateExtension extends templatizedBase {}
         klass = templateInfo.templatizeTemplateClass =
             TemplatizedTemplateExtension;
       }