--- a/src/jdk.compiler/share/classes/com/sun/source/tree/Tree.java	Mon Sep 09 11:43:16 2019 -0400
+++ b/src/jdk.compiler/share/classes/com/sun/source/tree/Tree.java	Wed Nov 27 09:00:01 2019 +0100
@@ -220,6 +220,21 @@
         PARENTHESIZED(ParenthesizedTree.class),
 
         /**
+         * {@preview Associated with pattern matching for instanceof, a preview feature of
+         *           the Java language.
+         *
+         *           This enum constant is associated with <i>pattern matching for instanceof</i>, a preview
+         *           feature of the Java language. Preview features
+         *           may be removed in a future release, or upgraded to permanent
+         *           features of the Java language.}
+         *
+         * Used for instances of {@link BindingPatternTree}.
+         *
+         * @since 14
+         */
+        BINDING_PATTERN(BindingPatternTree.class),
+
+        /**
          * Used for instances of {@link PrimitiveTypeTree}.
          */
         PRIMITIVE_TYPE(PrimitiveTypeTree.class),