[ExpressionLanguage] marked node classes as being internal

src/Symfony/Component/ExpressionLanguage/Node/ArgumentsNode.php

@@ -13,6 +13,11 @@ namespace Symfony\Component\ExpressionLanguage\Node;
 
 use Symfony\Component\ExpressionLanguage\Compiler;
 
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
 class ArgumentsNode extends ArrayNode
 {
     public function compile(Compiler $compiler)

src/Symfony/Component/ExpressionLanguage/Node/ArrayNode.php

@@ -13,6 +13,11 @@ namespace Symfony\Component\ExpressionLanguage\Node;
 
 use Symfony\Component\ExpressionLanguage\Compiler;
 
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
 class ArrayNode extends Node
 {
     protected $index;

src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php

@@ -13,6 +13,11 @@ namespace Symfony\Component\ExpressionLanguage\Node;
 
 use Symfony\Component\ExpressionLanguage\Compiler;
 
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
 class BinaryNode extends Node
 {
     private static $operators = array(

src/Symfony/Component/ExpressionLanguage/Node/ConditionalNode.php

@@ -13,6 +13,11 @@ namespace Symfony\Component\ExpressionLanguage\Node;
 
 use Symfony\Component\ExpressionLanguage\Compiler;
 
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
 class ConditionalNode extends Node
 {
     public function __construct(Node $expr1, Node $expr2, Node $expr3)

src/Symfony/Component/ExpressionLanguage/Node/ConstantNode.php

@@ -13,6 +13,11 @@ namespace Symfony\Component\ExpressionLanguage\Node;
 
 use Symfony\Component\ExpressionLanguage\Compiler;
 
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
 class ConstantNode extends Node
 {
     public function __construct($value)

src/Symfony/Component/ExpressionLanguage/Node/FunctionNode.php

@@ -13,6 +13,11 @@ namespace Symfony\Component\ExpressionLanguage\Node;
 
 use Symfony\Component\ExpressionLanguage\Compiler;
 
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
 class FunctionNode extends Node
 {
     public function __construct($name, Node $arguments)

src/Symfony/Component/ExpressionLanguage/Node/GetAttrNode.php

@@ -13,6 +13,11 @@ namespace Symfony\Component\ExpressionLanguage\Node;
 
 use Symfony\Component\ExpressionLanguage\Compiler;
 
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
 class GetAttrNode extends Node
 {
     const PROPERTY_CALL = 1;

src/Symfony/Component/ExpressionLanguage/Node/NameNode.php

@@ -13,6 +13,11 @@ namespace Symfony\Component\ExpressionLanguage\Node;
 
 use Symfony\Component\ExpressionLanguage\Compiler;
 
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
 class NameNode extends Node
 {
     public function __construct($name)

src/Symfony/Component/ExpressionLanguage/Node/UnaryNode.php

@@ -13,6 +13,11 @@ namespace Symfony\Component\ExpressionLanguage\Node;
 
 use Symfony\Component\ExpressionLanguage\Compiler;
 
+/**
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @internal
+ */
 class UnaryNode extends Node
 {
     private static $operators = array(