diff --git a/src/DI/ServiceDefinition.php b/src/DI/ServiceDefinition.php
index 2d2347b5a..eb03945d2 100644
--- a/src/DI/ServiceDefinition.php
+++ b/src/DI/ServiceDefinition.php
@@ -12,6 +12,10 @@
 
 /**
  * Definition used by ContainerBuilder.
+ *
+ * @property string|NULL $class
+ * @property Statement|NULL $factory
+ * @property Statement[] $setup
  */
 class ServiceDefinition
 {
diff --git a/src/DI/Statement.php b/src/DI/Statement.php
index 7ca9a952b..941369417 100644
--- a/src/DI/Statement.php
+++ b/src/DI/Statement.php
@@ -12,6 +12,8 @@
 
 /**
  * Assignment or calling statement.
+ *
+ * @property string|array|ServiceDefinition|NULL $entity
  */
 class Statement
 {