[llvm-branch-commits] [llvm] [libsycl] add sycl::event and wait functionality to event & queue (PR #188793)

[Yury Plyakhin via llvm-branch-commits]

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@@ -21,14 +21,17 @@ namespace detail {
 
 class ContextImpl;
 class DeviceImpl;
+class EventImpl;
+
+using EventImplPtr = std::shared_ptr<EventImpl>;
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YuriPlyakhin wrote:

Not used anywhere in this PR. Remove?

https://github.com/llvm/llvm-project/pull/188793