--- old/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/VisibleMemberTable.java	2019-10-30 16:24:22.839747309 -0700
+++ new/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/VisibleMemberTable.java	2019-10-30 16:24:22.471747322 -0700
@@ -32,7 +32,7 @@
 import javax.lang.model.type.TypeKind;
 import javax.lang.model.type.TypeMirror;
 import javax.lang.model.util.Elements;
-import javax.lang.model.util.SimpleElementVisitor9;
+import javax.lang.model.util.SimpleElementVisitor14;
 import java.lang.ref.SoftReference;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -700,8 +700,9 @@
             }
         }
 
+        @SuppressWarnings("preview")
         String getMemberKey(Element e) {
-            return new SimpleElementVisitor9<String, Void>() {
+            return new SimpleElementVisitor14<String, Void>() {
                 @Override
                 public String visitExecutable(ExecutableElement e, Void aVoid) {
                     return e.getSimpleName() + ":" + e.getParameters().size();