From ed284adeb2f9a467f8eba47585c343e620ca740b Mon Sep 17 00:00:00 2001
From: Siphalor <info@siphalor.de>
Date: Fri, 31 Oct 2025 12:46:49 +0100
Subject: [PATCH] [core] Explicit contract for ConfigEntry#deepCopy

---
 .../java/de/siphalor/tweed5/core/api/entry/ConfigEntry.java     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tweed5/core/src/main/java/de/siphalor/tweed5/core/api/entry/ConfigEntry.java b/tweed5/core/src/main/java/de/siphalor/tweed5/core/api/entry/ConfigEntry.java
index 5d611e3..81e6740 100644
--- a/tweed5/core/src/main/java/de/siphalor/tweed5/core/api/entry/ConfigEntry.java
+++ b/tweed5/core/src/main/java/de/siphalor/tweed5/core/api/entry/ConfigEntry.java
@@ -2,6 +2,7 @@ package de.siphalor.tweed5.core.api.entry;
 
 import de.siphalor.tweed5.core.api.container.ConfigContainer;
 import de.siphalor.tweed5.patchwork.api.Patchwork;
+import org.jetbrains.annotations.Contract;
 import org.jspecify.annotations.Nullable;
 
 import java.util.function.Consumer;
@@ -27,5 +28,6 @@ public interface ConfigEntry<T extends @Nullable Object> {
 	void visitInOrder(ConfigEntryVisitor visitor);
 	void visitInOrder(ConfigEntryValueVisitor visitor, T value);
 
+	@Contract(value = "null -> null; !null -> new", pure = true)
 	T deepCopy(T value);
 }