fix(annotations): allow BuilderModifier to return subtypes

Alexander Söderberg · Alexander Söderberg · commit 36c18ff548d5 · 2023-12-08T18:29:13.000+01:00
diff --git a/cloud-annotations/src/main/java/cloud/commandframework/annotations/BuilderModifier.java b/cloud-annotations/src/main/java/cloud/commandframework/annotations/BuilderModifier.java
@@ -39,7 +39,7 @@ public interface BuilderModifier<A extends Annotation, C> {
      * @param builder    the existing builder
      * @return the updated builder
      */
-    Command.@NonNull Builder<C> modifyBuilder(
+    Command.@NonNull Builder<? extends C> modifyBuilder(
             @NonNull A annotation,
             Command.@NonNull Builder<C> builder
     );
