Build error "member access into incomplete type 'const clang::FileEntry"

In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.cpp:26:
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.h:29:
In file included from src/tools/clangrefactoringbackend/source/indexdataconsumer.h:32:
In file included from src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h:28:
src/tools/clangrefactoringbackend/source/sourcelocationsutils.h:90:76: error: member access into incomplete type 'const clang::FileEntry'
        auto filePath = FilePath::fromNativeFilePath(absolutePath(fileEntry->getName()));
                                                                           ^
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.cpp:26:
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.h:29:
In file included from src/tools/clangrefactoringbackend/source/indexdataconsumer.h:32:
In file included from src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h:28:
In file included from src/tools/clangrefactoringbackend/source/sourcelocationsutils.h:32:
In file included from include/clang/Basic/SourceManager.h:37:
In file included from include/clang/Basic/Diagnostic.h:19:
include/clang/Basic/SourceLocation.h:356:7: note: forward declaration of 'clang::FileEntry'
class FileEntry;
      ^
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.cpp:26:
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.h:29:
In file included from src/tools/clangrefactoringbackend/source/indexdataconsumer.h:32:
src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h:66:36: error: member access into incomplete type 'const clang::FileEntry'
            uint fileId = fileEntry->getUID();
                                   ^
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.cpp:26:
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.h:29:
In file included from src/tools/clangrefactoringbackend/source/indexdataconsumer.h:32:
In file included from src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h:28:
In file included from src/tools/clangrefactoringbackend/source/sourcelocationsutils.h:32:
In file included from include/clang/Basic/SourceManager.h:37:
In file included from include/clang/Basic/Diagnostic.h:19:
include/clang/Basic/SourceLocation.h:356:7: note: forward declaration of 'clang::FileEntry'
class FileEntry;
      ^
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.cpp:26:
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.h:29:
In file included from src/tools/clangrefactoringbackend/source/indexdataconsumer.h:32:
src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h:76:38: error: member access into incomplete type 'const clang::FileEntry'
            auto filePath = fileEntry->getName();
                                     ^
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.cpp:26:
In file included from src/tools/clangrefactoringbackend/source/collectsymbolsaction.h:29:
In file included from src/tools/clangrefactoringbackend/source/indexdataconsumer.h:32:
In file included from src/tools/clangrefactoringbackend/source/symbolsvisitorbase.h:28:
In file included from src/tools/clangrefactoringbackend/source/sourcelocationsutils.h:32:
In file included from include/clang/Basic/SourceManager.h:37:
In file included from include/clang/Basic/Diagnostic.h:19:
include/clang/Basic/SourceLocation.h:356:7: note: forward declaration of 'clang::FileEntry'
class FileEntry;
      ^
3 errors generated.

diff --git a/src/tools/clangrefactoringbackend/source/sourcelocationsutils.h b/src/tools/clangrefactoringbackend/source/sourcelocationsutils.h
index 45bc71f..6304523 100644
--- a/src/tools/clangrefactoringbackend/source/sourcelocationsutils.h
+++ b/src/tools/clangrefactoringbackend/source/sourcelocationsutils.h
@@ -30,6 +30,7 @@
 #include <sourcerangescontainer.h>
 
 #include <clang/Basic/SourceManager.h>
+#include <clang/Basic/FileManager.h>
 #include <clang/Lex/Lexer.h>
 #include <llvm/Support/FileSystem.h>
 #include <llvm/Support/FileUtilities.h>