From 836873a454413dec374a8eb963a7eafe051ad2d2 Mon Sep 17 00:00:00 2001
From: Florian Bernd <florian.bernd@elastic.co>
Date: Wed, 24 Sep 2025 12:51:13 +0200
Subject: [PATCH 1/2] `CompositeAggregation.sources` expects an array of
 single-key objects

---
 specification/_types/aggregations/bucket.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/specification/_types/aggregations/bucket.ts b/specification/_types/aggregations/bucket.ts
index fb6f16abd3..85f433bf66 100644
--- a/specification/_types/aggregations/bucket.ts
+++ b/specification/_types/aggregations/bucket.ts
@@ -145,7 +145,7 @@ export class CompositeAggregation extends BucketAggregationBase {
    * The value sources used to build composite buckets.
    * Keys are returned in the order of the `sources` definition.
    */
-  sources?: Array<Dictionary<string, CompositeAggregationSource>>
+  sources?: Array<SingleKeyDictionary<string, CompositeAggregationSource>>
 }
 
 export class CompositeAggregationSource {

From 1256b9bf7bf26dcf8e484851fe04d18fced2fe33 Mon Sep 17 00:00:00 2001
From: Florian Bernd <florian.bernd@elastic.co>
Date: Wed, 24 Sep 2025 13:20:09 +0200
Subject: [PATCH 2/2] Mark `CompositeAggregationSource` as a container

---
 specification/_types/aggregations/bucket.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/specification/_types/aggregations/bucket.ts b/specification/_types/aggregations/bucket.ts
index 85f433bf66..c45c909f1c 100644
--- a/specification/_types/aggregations/bucket.ts
+++ b/specification/_types/aggregations/bucket.ts
@@ -148,6 +148,9 @@ export class CompositeAggregation extends BucketAggregationBase {
   sources?: Array<SingleKeyDictionary<string, CompositeAggregationSource>>
 }
 
+/**
+ * @variants container
+ */
 export class CompositeAggregationSource {
   /**
    * A terms aggregation.