From 56fd959a24ffcffe71e3089b30895a0478d35ed9 Mon Sep 17 00:00:00 2001
From: HC Torres <hctorres02@gmail.com>
Date: Sat, 17 Jun 2023 21:49:16 -0300
Subject: [PATCH] Check existence of childTypes method

---
 src/HasChildren.php | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/HasChildren.php b/src/HasChildren.php
index a25475e..77c8ff7 100644
--- a/src/HasChildren.php
+++ b/src/HasChildren.php
@@ -267,6 +267,14 @@ public function classToAlias(string $className): string
      */
     public function getChildTypes(): array
     {
-        return property_exists($this, 'childTypes') ? $this->childTypes : [];
+        if (method_exists($this, 'childTypes')) {
+            return $this->childTypes();
+        }
+
+        if (property_exists($this, 'childTypes')) {
+            return $this->childTypes;
+        }
+
+        return [];
     }
 }