--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang-tools-extra/clangd/InlayHints.h	Tue Jun 15 19:15:29 2021 +0900
@@ -0,0 +1,31 @@
+//===--- InlayHints.h --------------------------------------------*- C++-*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// Support for the proposed "inlay hints" LSP feature.
+// The version currently implemented is the one proposed here:
+// https://github.com/microsoft/vscode-languageserver-node/pull/609/.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_INLAY_HINTS_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_INLAY_HINTS_H
+
+#include "Protocol.h"
+#include <vector>
+
+namespace clang {
+namespace clangd {
+class ParsedAST;
+
+// Compute and return all inlay hints for a file.
+std::vector<InlayHint> inlayHints(ParsedAST &AST);
+
+} // namespace clangd
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_INLAY_HINTS_H