diff --git a/src/ClassLike.php b/src/ClassLike.php
new file mode 100644
index 00000000..08b7fa8d
--- /dev/null
+++ b/src/ClassLike.php
@@ -0,0 +1,12 @@
+<?php
+/*---------------------------------------------------------------------------------------------
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+namespace Microsoft\PhpParser;
+
+/**
+ * Represents Classes, Interfaces and Traits.
+ */
+interface ClassLike {}
diff --git a/src/Node/Statement/ClassDeclaration.php b/src/Node/Statement/ClassDeclaration.php
index dfab59bd..5b230394 100644
--- a/src/Node/Statement/ClassDeclaration.php
+++ b/src/Node/Statement/ClassDeclaration.php
@@ -6,6 +6,7 @@
 
 namespace Microsoft\PhpParser\Node\Statement;
 
+use Microsoft\PhpParser\ClassLike;
 use Microsoft\PhpParser\NamespacedNameInterface;
 use Microsoft\PhpParser\NamespacedNameTrait;
 use Microsoft\PhpParser\Node\ClassBaseClause;
@@ -14,7 +15,7 @@
 use Microsoft\PhpParser\Node\StatementNode;
 use Microsoft\PhpParser\Token;
 
-class ClassDeclaration extends StatementNode implements NamespacedNameInterface {
+class ClassDeclaration extends StatementNode implements NamespacedNameInterface, ClassLike {
     use NamespacedNameTrait;
 
     /** @var Token */
diff --git a/src/Node/Statement/InterfaceDeclaration.php b/src/Node/Statement/InterfaceDeclaration.php
index a9e6102a..b9e66521 100644
--- a/src/Node/Statement/InterfaceDeclaration.php
+++ b/src/Node/Statement/InterfaceDeclaration.php
@@ -6,6 +6,7 @@
 
 namespace Microsoft\PhpParser\Node\Statement;
 
+use Microsoft\PhpParser\ClassLike;
 use Microsoft\PhpParser\NamespacedNameInterface;
 use Microsoft\PhpParser\NamespacedNameTrait;
 use Microsoft\PhpParser\Node\InterfaceBaseClause;
@@ -13,7 +14,7 @@
 use Microsoft\PhpParser\Node\StatementNode;
 use Microsoft\PhpParser\Token;
 
-class InterfaceDeclaration extends StatementNode implements NamespacedNameInterface {
+class InterfaceDeclaration extends StatementNode implements NamespacedNameInterface, ClassLike {
     use NamespacedNameTrait;
 
     /** @var Token */
diff --git a/src/Node/Statement/TraitDeclaration.php b/src/Node/Statement/TraitDeclaration.php
index d0bb871b..9583faf4 100644
--- a/src/Node/Statement/TraitDeclaration.php
+++ b/src/Node/Statement/TraitDeclaration.php
@@ -6,13 +6,14 @@
 
 namespace Microsoft\PhpParser\Node\Statement;
 
+use Microsoft\PhpParser\ClassLike;
 use Microsoft\PhpParser\NamespacedNameInterface;
 use Microsoft\PhpParser\NamespacedNameTrait;
 use Microsoft\PhpParser\Node\StatementNode;
 use Microsoft\PhpParser\Node\TraitMembers;
 use Microsoft\PhpParser\Token;
 
-class TraitDeclaration extends StatementNode implements NamespacedNameInterface {
+class TraitDeclaration extends StatementNode implements NamespacedNameInterface, ClassLike {
     use NamespacedNameTrait;
 
     /** @var Token */