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-rw-r--r--src/library/scala/collection/immutable/HashMap.scala3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/library/scala/collection/immutable/HashMap.scala b/src/library/scala/collection/immutable/HashMap.scala
index 3c41e1ba11..eac9c14f3f 100644
--- a/src/library/scala/collection/immutable/HashMap.scala
+++ b/src/library/scala/collection/immutable/HashMap.scala
@@ -33,8 +33,7 @@ import parallel.immutable.ParHashMap
* @define willNotTerminateInf
*/
@SerialVersionUID(2L)
-@deprecatedInheritance("The implementation details of immutable hash maps make inheriting from them unwise.", "2.11.0")
-class HashMap[A, +B] extends AbstractMap[A, B]
+sealed class HashMap[A, +B] extends AbstractMap[A, B]
with Map[A, B]
with MapLike[A, B, HashMap[A, B]]
with Serializable