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diff --git a/contrib/llvm-project/clang/include/clang/ExtractAPI/APIIgnoresList.h b/contrib/llvm-project/clang/include/clang/ExtractAPI/APIIgnoresList.h
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+++ b/contrib/llvm-project/clang/include/clang/ExtractAPI/APIIgnoresList.h
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+//===- ExtractAPI/APIIgnoresList.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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file This file defines APIIgnoresList which is a type that allows querying
+/// files containing symbols to ignore when extracting API information.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_API_IGNORES_LIST_H
+#define LLVM_CLANG_API_IGNORES_LIST_H
+
+#include "clang/Basic/FileManager.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/raw_ostream.h"
+
+#include <memory>
+#include <system_error>
+
+namespace llvm {
+class MemoryBuffer;
+} // namespace llvm
+
+namespace clang {
+namespace extractapi {
+
+struct IgnoresFileNotFound : public llvm::ErrorInfo<IgnoresFileNotFound> {
+  std::string Path;
+  static char ID;
+
+  explicit IgnoresFileNotFound(StringRef Path) : Path(Path) {}
+
+  virtual void log(llvm::raw_ostream &os) const override;
+
+  virtual std::error_code convertToErrorCode() const override;
+};
+
+/// A type that provides access to a new line separated list of symbol names to
+/// ignore when extracting API information.
+struct APIIgnoresList {
+  using FilePathList = std::vector<std::string>;
+
+  /// The API to use for generating from the files at \p IgnoresFilePathList.
+  ///
+  /// \returns an initialized APIIgnoresList or an Error.
+  static llvm::Expected<APIIgnoresList>
+  create(const FilePathList &IgnoresFilePathList, FileManager &FM);
+
+  APIIgnoresList() = default;
+
+  /// Check if \p SymbolName is specified in the APIIgnoresList and if it should
+  /// therefore be ignored.
+  bool shouldIgnore(llvm::StringRef SymbolName) const;
+
+private:
+  using SymbolNameList = llvm::SmallVector<llvm::StringRef, 32>;
+  using BufferList = llvm::SmallVector<std::unique_ptr<llvm::MemoryBuffer>>;
+
+  APIIgnoresList(SymbolNameList SymbolsToIgnore, BufferList Buffers)
+      : SymbolsToIgnore(std::move(SymbolsToIgnore)),
+        Buffers(std::move(Buffers)) {}
+
+  SymbolNameList SymbolsToIgnore;
+  BufferList Buffers;
+};
+
+} // namespace extractapi
+} // namespace clang
+
+#endif // LLVM_CLANG_API_IGNORES_LIST_H