diff --git a/src/Type/Definition/HasFieldsTypeImplementation.php b/src/Type/Definition/HasFieldsTypeImplementation.php
index 023fae17a..77f8beb0b 100644
--- a/src/Type/Definition/HasFieldsTypeImplementation.php
+++ b/src/Type/Definition/HasFieldsTypeImplementation.php
@@ -63,7 +63,11 @@ public function hasField(string $name): bool
         return isset($this->fields[$name]);
     }
 
-    /** @throws InvariantViolation */
+    /**
+     * @throws InvariantViolation
+     *
+     * @return array<string, FieldDefinition>
+     */
     public function getFields(): array
     {
         $this->initializeFields();
@@ -78,6 +82,7 @@ public function getFields(): array
         return $this->fields;
     }
 
+    /** @return array<string, FieldDefinition> */
     public function getVisibleFields(): array
     {
         return array_filter(