[clangd] Format tweak's replacements.

llvm-svn: 353306
diff --git a/clang-tools-extra/clangd/SourceCode.h b/clang-tools-extra/clangd/SourceCode.h
index 37b7b16..e6ce8c3 100644
--- a/clang-tools-extra/clangd/SourceCode.h
+++ b/clang-tools-extra/clangd/SourceCode.h
@@ -144,6 +144,11 @@
                                           llvm::StringRef Content,
                                           llvm::vfs::FileSystem *FS);
 
+// Cleanup and format the given replacements.
+llvm::Expected<tooling::Replacements>
+cleanupAndFormat(StringRef Code, const tooling::Replacements &Replaces,
+                 const format::FormatStyle &Style);
+
 } // namespace clangd
 } // namespace clang
 #endif