1 files changed, 3 insertions, 1 deletions
diff --git a/vespalib/src/vespa/vespalib/datastore/small_array_buffer_type.h b/vespalib/src/vespa/vespalib/datastore/small_array_buffer_type.h
index 4e4568c3d16..f6cb860348d 100644
--- a/vespalib/src/vespa/vespalib/datastore/small_array_buffer_type.h
+++ b/vespalib/src/vespa/vespalib/datastore/small_array_buffer_type.h
@@ -10,6 +10,8 @@ namespace vespalib::alloc { class MemoryAllocator; }
 
 namespace vespalib::datastore {
 
+template <typename EntryT> class ArrayStoreTypeMapper;
+
 /*
  * Class representing buffer type for small arrays in ArrayStore
  */
@@ -23,7 +25,7 @@ public:
     SmallArrayBufferType& operator=(const SmallArrayBufferType&) = delete;
     SmallArrayBufferType(SmallArrayBufferType&&) noexcept = default;
     SmallArrayBufferType& operator=(SmallArrayBufferType&&) noexcept = default;
-    SmallArrayBufferType(uint32_t array_size, const AllocSpec& spec, std::shared_ptr<alloc::MemoryAllocator> memory_allocator) noexcept;
+    SmallArrayBufferType(uint32_t array_size, const AllocSpec& spec, std::shared_ptr<alloc::MemoryAllocator> memory_allocator, ArrayStoreTypeMapper<EntryT>& mapper) noexcept;
     ~SmallArrayBufferType() override;
     const vespalib::alloc::MemoryAllocator* get_memory_allocator() const override;
 };