diff --git a/src/Ast/ConstExpr/ConstExprArrayItemNode.php b/src/Ast/ConstExpr/ConstExprArrayItemNode.php
index 9456e95d..d0695f82 100644
--- a/src/Ast/ConstExpr/ConstExprArrayItemNode.php
+++ b/src/Ast/ConstExpr/ConstExprArrayItemNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprArrayItemNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var ConstExprNode|null */
 	public $key;
 
diff --git a/src/Ast/ConstExpr/ConstExprArrayNode.php b/src/Ast/ConstExpr/ConstExprArrayNode.php
index 215c5a37..82135efc 100644
--- a/src/Ast/ConstExpr/ConstExprArrayNode.php
+++ b/src/Ast/ConstExpr/ConstExprArrayNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprArrayNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var ConstExprArrayItemNode[] */
 	public $items;
 
diff --git a/src/Ast/ConstExpr/ConstExprFalseNode.php b/src/Ast/ConstExpr/ConstExprFalseNode.php
index fae8af1b..e6811277 100644
--- a/src/Ast/ConstExpr/ConstExprFalseNode.php
+++ b/src/Ast/ConstExpr/ConstExprFalseNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprFalseNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	public function __toString(): string
 	{
 		return 'false';
diff --git a/src/Ast/ConstExpr/ConstExprFloatNode.php b/src/Ast/ConstExpr/ConstExprFloatNode.php
index 0f81c418..a4192fba 100644
--- a/src/Ast/ConstExpr/ConstExprFloatNode.php
+++ b/src/Ast/ConstExpr/ConstExprFloatNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprFloatNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $value;
 
diff --git a/src/Ast/ConstExpr/ConstExprIntegerNode.php b/src/Ast/ConstExpr/ConstExprIntegerNode.php
index 949ba5cb..5339bb5a 100644
--- a/src/Ast/ConstExpr/ConstExprIntegerNode.php
+++ b/src/Ast/ConstExpr/ConstExprIntegerNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprIntegerNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $value;
 
diff --git a/src/Ast/ConstExpr/ConstExprNullNode.php b/src/Ast/ConstExpr/ConstExprNullNode.php
index 1d51eb80..b6e22771 100644
--- a/src/Ast/ConstExpr/ConstExprNullNode.php
+++ b/src/Ast/ConstExpr/ConstExprNullNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprNullNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	public function __toString(): string
 	{
 		return 'null';
diff --git a/src/Ast/ConstExpr/ConstExprStringNode.php b/src/Ast/ConstExpr/ConstExprStringNode.php
index d9c720a0..fa44c262 100644
--- a/src/Ast/ConstExpr/ConstExprStringNode.php
+++ b/src/Ast/ConstExpr/ConstExprStringNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprStringNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $value;
 
diff --git a/src/Ast/ConstExpr/ConstExprTrueNode.php b/src/Ast/ConstExpr/ConstExprTrueNode.php
index b0e3c003..ec980320 100644
--- a/src/Ast/ConstExpr/ConstExprTrueNode.php
+++ b/src/Ast/ConstExpr/ConstExprTrueNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstExprTrueNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	public function __toString(): string
 	{
 		return 'true';
diff --git a/src/Ast/ConstExpr/ConstFetchNode.php b/src/Ast/ConstExpr/ConstFetchNode.php
index a432741d..3f20363b 100644
--- a/src/Ast/ConstExpr/ConstFetchNode.php
+++ b/src/Ast/ConstExpr/ConstFetchNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\ConstExpr;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ConstFetchNode implements ConstExprNode
 {
 
+	use NodeAttributes;
+
 	/** @var string class name for class constants or empty string for non-class constants */
 	public $className;
 
diff --git a/src/Ast/Node.php b/src/Ast/Node.php
index 8c4ccb57..faa3f7ee 100644
--- a/src/Ast/Node.php
+++ b/src/Ast/Node.php
@@ -7,4 +7,18 @@ interface Node
 
 	public function __toString(): string;
 
+	/**
+	 * @param string $key
+	 * @param mixed $value
+	 */
+	public function setAttribute(string $key, $value): void;
+
+	public function hasAttribute(string $key): bool;
+
+	/**
+	 * @param string $key
+	 * @return mixed
+	 */
+	public function getAttribute(string $key);
+
 }
diff --git a/src/Ast/NodeAttributes.php b/src/Ast/NodeAttributes.php
new file mode 100644
index 00000000..711d6baf
--- /dev/null
+++ b/src/Ast/NodeAttributes.php
@@ -0,0 +1,38 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\PhpDocParser\Ast;
+
+trait NodeAttributes
+{
+
+	/** @var array<string, mixed> */
+	private $attributes = [];
+
+	/**
+	 * @param string $key
+	 * @param mixed $value
+	 */
+	public function setAttribute(string $key, $value): void
+	{
+		$this->attributes[$key] = $value;
+	}
+
+	public function hasAttribute(string $key): bool
+	{
+		return array_key_exists($key, $this->attributes);
+	}
+
+	/**
+	 * @param string $key
+	 * @return mixed
+	 */
+	public function getAttribute(string $key)
+	{
+		if ($this->hasAttribute($key)) {
+			return $this->attributes[$key];
+		}
+
+		return null;
+	}
+
+}
diff --git a/src/Ast/PhpDoc/DeprecatedTagValueNode.php b/src/Ast/PhpDoc/DeprecatedTagValueNode.php
index 315d902b..b05368e1 100644
--- a/src/Ast/PhpDoc/DeprecatedTagValueNode.php
+++ b/src/Ast/PhpDoc/DeprecatedTagValueNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class DeprecatedTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var string (may be empty) */
 	public $description;
 
diff --git a/src/Ast/PhpDoc/ExtendsTagValueNode.php b/src/Ast/PhpDoc/ExtendsTagValueNode.php
index 513f2975..4ee842f7 100644
--- a/src/Ast/PhpDoc/ExtendsTagValueNode.php
+++ b/src/Ast/PhpDoc/ExtendsTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
 
 class ExtendsTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var GenericTypeNode */
 	public $type;
 
diff --git a/src/Ast/PhpDoc/GenericTagValueNode.php b/src/Ast/PhpDoc/GenericTagValueNode.php
index 97518ab6..026aa153 100644
--- a/src/Ast/PhpDoc/GenericTagValueNode.php
+++ b/src/Ast/PhpDoc/GenericTagValueNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class GenericTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var string (may be empty) */
 	public $value;
 
diff --git a/src/Ast/PhpDoc/ImplementsTagValueNode.php b/src/Ast/PhpDoc/ImplementsTagValueNode.php
index 7691d93a..e2b11635 100644
--- a/src/Ast/PhpDoc/ImplementsTagValueNode.php
+++ b/src/Ast/PhpDoc/ImplementsTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
 
 class ImplementsTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var GenericTypeNode */
 	public $type;
 
diff --git a/src/Ast/PhpDoc/InvalidTagValueNode.php b/src/Ast/PhpDoc/InvalidTagValueNode.php
index 150acae5..a496e8ee 100644
--- a/src/Ast/PhpDoc/InvalidTagValueNode.php
+++ b/src/Ast/PhpDoc/InvalidTagValueNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class InvalidTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var string (may be empty) */
 	public $value;
 
diff --git a/src/Ast/PhpDoc/MethodTagValueNode.php b/src/Ast/PhpDoc/MethodTagValueNode.php
index 8f5035c3..ec509a17 100644
--- a/src/Ast/PhpDoc/MethodTagValueNode.php
+++ b/src/Ast/PhpDoc/MethodTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class MethodTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var bool */
 	public $isStatic;
 
diff --git a/src/Ast/PhpDoc/MethodTagValueParameterNode.php b/src/Ast/PhpDoc/MethodTagValueParameterNode.php
index f7409f3e..7c17e44c 100644
--- a/src/Ast/PhpDoc/MethodTagValueParameterNode.php
+++ b/src/Ast/PhpDoc/MethodTagValueParameterNode.php
@@ -4,11 +4,14 @@
 
 use PHPStan\PhpDocParser\Ast\ConstExpr\ConstExprNode;
 use PHPStan\PhpDocParser\Ast\Node;
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class MethodTagValueParameterNode implements Node
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode|null */
 	public $type;
 
diff --git a/src/Ast/PhpDoc/MixinTagValueNode.php b/src/Ast/PhpDoc/MixinTagValueNode.php
index 8290181d..8761ca43 100644
--- a/src/Ast/PhpDoc/MixinTagValueNode.php
+++ b/src/Ast/PhpDoc/MixinTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class MixinTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode */
 	public $type;
 
diff --git a/src/Ast/PhpDoc/ParamTagValueNode.php b/src/Ast/PhpDoc/ParamTagValueNode.php
index 04710a7b..eb88cd9b 100644
--- a/src/Ast/PhpDoc/ParamTagValueNode.php
+++ b/src/Ast/PhpDoc/ParamTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class ParamTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode */
 	public $type;
 
diff --git a/src/Ast/PhpDoc/PhpDocNode.php b/src/Ast/PhpDoc/PhpDocNode.php
index ace03b1f..a690cee3 100644
--- a/src/Ast/PhpDoc/PhpDocNode.php
+++ b/src/Ast/PhpDoc/PhpDocNode.php
@@ -3,10 +3,13 @@
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
 use PHPStan\PhpDocParser\Ast\Node;
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 
 class PhpDocNode implements Node
 {
 
+	use NodeAttributes;
+
 	/** @var PhpDocChildNode[] */
 	public $children;
 
diff --git a/src/Ast/PhpDoc/PhpDocTagNode.php b/src/Ast/PhpDoc/PhpDocTagNode.php
index be3043bf..f847d190 100644
--- a/src/Ast/PhpDoc/PhpDocTagNode.php
+++ b/src/Ast/PhpDoc/PhpDocTagNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class PhpDocTagNode implements PhpDocChildNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $name;
 
diff --git a/src/Ast/PhpDoc/PhpDocTextNode.php b/src/Ast/PhpDoc/PhpDocTextNode.php
index 2a4f8a4c..0bca3c99 100644
--- a/src/Ast/PhpDoc/PhpDocTextNode.php
+++ b/src/Ast/PhpDoc/PhpDocTextNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class PhpDocTextNode implements PhpDocChildNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $text;
 
diff --git a/src/Ast/PhpDoc/PropertyTagValueNode.php b/src/Ast/PhpDoc/PropertyTagValueNode.php
index bca55a7e..b2cdbb16 100644
--- a/src/Ast/PhpDoc/PropertyTagValueNode.php
+++ b/src/Ast/PhpDoc/PropertyTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class PropertyTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode */
 	public $type;
 
diff --git a/src/Ast/PhpDoc/ReturnTagValueNode.php b/src/Ast/PhpDoc/ReturnTagValueNode.php
index 254d3f87..2b8a1842 100644
--- a/src/Ast/PhpDoc/ReturnTagValueNode.php
+++ b/src/Ast/PhpDoc/ReturnTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class ReturnTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode */
 	public $type;
 
diff --git a/src/Ast/PhpDoc/TemplateTagValueNode.php b/src/Ast/PhpDoc/TemplateTagValueNode.php
index 5847df22..4a8f4150 100644
--- a/src/Ast/PhpDoc/TemplateTagValueNode.php
+++ b/src/Ast/PhpDoc/TemplateTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class TemplateTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $name;
 
diff --git a/src/Ast/PhpDoc/ThrowsTagValueNode.php b/src/Ast/PhpDoc/ThrowsTagValueNode.php
index 32ae12d2..67d05900 100644
--- a/src/Ast/PhpDoc/ThrowsTagValueNode.php
+++ b/src/Ast/PhpDoc/ThrowsTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class ThrowsTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode */
 	public $type;
 
diff --git a/src/Ast/PhpDoc/TypeAliasImportTagValueNode.php b/src/Ast/PhpDoc/TypeAliasImportTagValueNode.php
index 923eb628..819f05ba 100644
--- a/src/Ast/PhpDoc/TypeAliasImportTagValueNode.php
+++ b/src/Ast/PhpDoc/TypeAliasImportTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
 
 class TypeAliasImportTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $importedAlias;
 
diff --git a/src/Ast/PhpDoc/TypeAliasTagValueNode.php b/src/Ast/PhpDoc/TypeAliasTagValueNode.php
index 4a4ac617..21fbb066 100644
--- a/src/Ast/PhpDoc/TypeAliasTagValueNode.php
+++ b/src/Ast/PhpDoc/TypeAliasTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class TypeAliasTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $alias;
 
diff --git a/src/Ast/PhpDoc/UsesTagValueNode.php b/src/Ast/PhpDoc/UsesTagValueNode.php
index 20b19390..0a641d1b 100644
--- a/src/Ast/PhpDoc/UsesTagValueNode.php
+++ b/src/Ast/PhpDoc/UsesTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
 
 class UsesTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var GenericTypeNode */
 	public $type;
 
diff --git a/src/Ast/PhpDoc/VarTagValueNode.php b/src/Ast/PhpDoc/VarTagValueNode.php
index 2965ce7c..dc06202f 100644
--- a/src/Ast/PhpDoc/VarTagValueNode.php
+++ b/src/Ast/PhpDoc/VarTagValueNode.php
@@ -2,11 +2,14 @@
 
 namespace PHPStan\PhpDocParser\Ast\PhpDoc;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 use PHPStan\PhpDocParser\Ast\Type\TypeNode;
 
 class VarTagValueNode implements PhpDocTagValueNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode */
 	public $type;
 
diff --git a/src/Ast/Type/ArrayShapeItemNode.php b/src/Ast/Type/ArrayShapeItemNode.php
index b4996e90..e8a78f32 100644
--- a/src/Ast/Type/ArrayShapeItemNode.php
+++ b/src/Ast/Type/ArrayShapeItemNode.php
@@ -4,10 +4,13 @@
 
 use PHPStan\PhpDocParser\Ast\ConstExpr\ConstExprIntegerNode;
 use PHPStan\PhpDocParser\Ast\ConstExpr\ConstExprStringNode;
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 
 class ArrayShapeItemNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var ConstExprIntegerNode|ConstExprStringNode|IdentifierTypeNode|null */
 	public $keyName;
 
diff --git a/src/Ast/Type/ArrayShapeNode.php b/src/Ast/Type/ArrayShapeNode.php
index 74df4ab3..094aaa11 100644
--- a/src/Ast/Type/ArrayShapeNode.php
+++ b/src/Ast/Type/ArrayShapeNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\Type;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ArrayShapeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var ArrayShapeItemNode[] */
 	public $items;
 
diff --git a/src/Ast/Type/ArrayTypeNode.php b/src/Ast/Type/ArrayTypeNode.php
index b01d083c..90cb9f08 100644
--- a/src/Ast/Type/ArrayTypeNode.php
+++ b/src/Ast/Type/ArrayTypeNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\Type;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ArrayTypeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode */
 	public $type;
 
diff --git a/src/Ast/Type/CallableTypeNode.php b/src/Ast/Type/CallableTypeNode.php
index 2f4bf7c5..6faa4cd9 100644
--- a/src/Ast/Type/CallableTypeNode.php
+++ b/src/Ast/Type/CallableTypeNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\Type;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class CallableTypeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var IdentifierTypeNode */
 	public $identifier;
 
diff --git a/src/Ast/Type/CallableTypeParameterNode.php b/src/Ast/Type/CallableTypeParameterNode.php
index 3503318d..2badb7c2 100644
--- a/src/Ast/Type/CallableTypeParameterNode.php
+++ b/src/Ast/Type/CallableTypeParameterNode.php
@@ -3,10 +3,13 @@
 namespace PHPStan\PhpDocParser\Ast\Type;
 
 use PHPStan\PhpDocParser\Ast\Node;
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 
 class CallableTypeParameterNode implements Node
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode */
 	public $type;
 
diff --git a/src/Ast/Type/ConstTypeNode.php b/src/Ast/Type/ConstTypeNode.php
index ee9f14da..0096055b 100644
--- a/src/Ast/Type/ConstTypeNode.php
+++ b/src/Ast/Type/ConstTypeNode.php
@@ -3,10 +3,13 @@
 namespace PHPStan\PhpDocParser\Ast\Type;
 
 use PHPStan\PhpDocParser\Ast\ConstExpr\ConstExprNode;
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
 
 class ConstTypeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var ConstExprNode */
 	public $constExpr;
 
diff --git a/src/Ast/Type/GenericTypeNode.php b/src/Ast/Type/GenericTypeNode.php
index 4dcc9c8f..399e5620 100644
--- a/src/Ast/Type/GenericTypeNode.php
+++ b/src/Ast/Type/GenericTypeNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\Type;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class GenericTypeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var IdentifierTypeNode */
 	public $type;
 
diff --git a/src/Ast/Type/IdentifierTypeNode.php b/src/Ast/Type/IdentifierTypeNode.php
index 9ca389cc..29bac308 100644
--- a/src/Ast/Type/IdentifierTypeNode.php
+++ b/src/Ast/Type/IdentifierTypeNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\Type;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class IdentifierTypeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var string */
 	public $name;
 
diff --git a/src/Ast/Type/IntersectionTypeNode.php b/src/Ast/Type/IntersectionTypeNode.php
index 60341187..e9ebf528 100644
--- a/src/Ast/Type/IntersectionTypeNode.php
+++ b/src/Ast/Type/IntersectionTypeNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\Type;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class IntersectionTypeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode[] */
 	public $types;
 
diff --git a/src/Ast/Type/NullableTypeNode.php b/src/Ast/Type/NullableTypeNode.php
index 98c73647..73f438cd 100644
--- a/src/Ast/Type/NullableTypeNode.php
+++ b/src/Ast/Type/NullableTypeNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\Type;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class NullableTypeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode */
 	public $type;
 
diff --git a/src/Ast/Type/ThisTypeNode.php b/src/Ast/Type/ThisTypeNode.php
index 06a3537e..d94e6f83 100644
--- a/src/Ast/Type/ThisTypeNode.php
+++ b/src/Ast/Type/ThisTypeNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\Type;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class ThisTypeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	public function __toString(): string
 	{
 		return '$this';
diff --git a/src/Ast/Type/UnionTypeNode.php b/src/Ast/Type/UnionTypeNode.php
index 235b6d5a..58195c6d 100644
--- a/src/Ast/Type/UnionTypeNode.php
+++ b/src/Ast/Type/UnionTypeNode.php
@@ -2,9 +2,13 @@
 
 namespace PHPStan\PhpDocParser\Ast\Type;
 
+use PHPStan\PhpDocParser\Ast\NodeAttributes;
+
 class UnionTypeNode implements TypeNode
 {
 
+	use NodeAttributes;
+
 	/** @var TypeNode[] */
 	public $types;
 
diff --git a/tests/PHPStan/Ast/Attributes/AttributesTest.php b/tests/PHPStan/Ast/Attributes/AttributesTest.php
new file mode 100644
index 00000000..a20747ec
--- /dev/null
+++ b/tests/PHPStan/Ast/Attributes/AttributesTest.php
@@ -0,0 +1,45 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\PhpDocParser\Ast\Attributes;
+
+use PHPStan\PhpDocParser\Ast\PhpDoc\PhpDocNode;
+use PHPStan\PhpDocParser\Lexer\Lexer;
+use PHPStan\PhpDocParser\Parser\ConstExprParser;
+use PHPStan\PhpDocParser\Parser\PhpDocParser;
+use PHPStan\PhpDocParser\Parser\TokenIterator;
+use PHPStan\PhpDocParser\Parser\TypeParser;
+use PHPUnit\Framework\TestCase;
+
+final class AttributesTest extends TestCase
+{
+
+	/** @var PhpDocNode */
+	private $phpDocNode;
+
+	protected function setUp(): void
+	{
+		parent::setUp();
+		$lexer = new Lexer();
+		$constExprParser = new ConstExprParser();
+		$phpDocParser = new PhpDocParser(new TypeParser($constExprParser), $constExprParser);
+
+		$input = '/** @var string */';
+		$tokens = new TokenIterator($lexer->tokenize($input));
+		$this->phpDocNode = $phpDocParser->parse($tokens);
+	}
+
+	public function testGetAttribute(): void
+	{
+		$unKnownValue = $this->phpDocNode->getAttribute('unknown');
+		$this->assertNull($unKnownValue);
+	}
+
+	public function testSetAttribute(): void
+	{
+		$this->phpDocNode->setAttribute('key', 'value');
+
+		$attributeValue = $this->phpDocNode->getAttribute('key');
+		$this->assertSame('value', $attributeValue);
+	}
+
+}