[clang] [HLSL][NFC] Refactor HLSLExternalSemaSource (PR #131032)

[Ashley Coleman via cfe-commits]

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@@ -0,0 +1,96 @@
+//===--- HLSLBuiltinTypeDeclBuilder.h - HLSL Builtin Type Decl Builder  ---===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//===----------------------------------------------------------------------===//
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V-FEXrt wrote:

this needs an ifdef/pragma once to ensure its not included multiple times right?

https://github.com/llvm/llvm-project/pull/131032