Introduced ClassLike Interface

Author: dantleech

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 {}

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 */

src/Node/Statement/InterfaceDeclaration.php

@@ -6,14 +6,15 @@
 
 namespace Microsoft\PhpParser\Node\Statement;
 
+use Microsoft\PhpParser\ClassLike;
 use Microsoft\PhpParser\NamespacedNameInterface;
 use Microsoft\PhpParser\NamespacedNameTrait;
 use Microsoft\PhpParser\Node\InterfaceBaseClause;
 use Microsoft\PhpParser\Node\InterfaceMembers;
 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 */

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 */