From 53f95ed9628713d2cafb734d6491505674c410ee Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Wed, 9 Nov 2022 23:02:52 +0100
Subject: [PATCH] reduce serialization of null models

---
 Models/NullContract.php         | 8 ++++++++
 Models/NullContractType.php     | 8 ++++++++
 Models/NullContractTypeL11n.php | 8 ++++++++
 3 files changed, 24 insertions(+)

diff --git a/Models/NullContract.php b/Models/NullContract.php
index 93694fb..3f81f8c 100755
--- a/Models/NullContract.php
+++ b/Models/NullContract.php
@@ -36,4 +36,12 @@ final class NullContract extends Contract
         $this->id = $id;
         parent::__construct();
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function jsonSerialize() : mixed
+    {
+        return ['id' => $this->id];
+    }
 }
diff --git a/Models/NullContractType.php b/Models/NullContractType.php
index 9a75955..36a652d 100755
--- a/Models/NullContractType.php
+++ b/Models/NullContractType.php
@@ -36,4 +36,12 @@ final class NullContractType extends ContractType
         $this->id = $id;
         parent::__construct();
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function jsonSerialize() : mixed
+    {
+        return ['id' => $this->id];
+    }
 }
diff --git a/Models/NullContractTypeL11n.php b/Models/NullContractTypeL11n.php
index d232979..4e42cb9 100755
--- a/Models/NullContractTypeL11n.php
+++ b/Models/NullContractTypeL11n.php
@@ -36,4 +36,12 @@ final class NullContractTypeL11n extends ContractTypeL11n
         $this->id = $id;
         parent::__construct();
     }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function jsonSerialize() : mixed
+    {
+        return ['id' => $this->id];
+    }
 }