1 files changed, 10 insertions, 30 deletions

diff --git a/clang-tools-extra/clangd/DraftStore.h b/clang-tools-extra/clangd/DraftStore.h
index 4757768a377..c84b0c1391a 100644
--- a/clang-tools-extra/clangd/DraftStore.h
+++ b/clang-tools-extra/clangd/DraftStore.h
@@ -13,7 +13,6 @@
 #include "Path.h"
 #include "clang/Basic/LLVM.h"
 #include "llvm/ADT/StringMap.h"
-#include <cstdint>
 #include <mutex>
 #include <string>
 #include <vector>
@@ -21,45 +20,26 @@
 namespace clang {
 namespace clangd {
 
-/// Using unsigned int type here to avoid undefined behaviour on overflow.
-typedef uint64_t DocVersion;
-
-/// Document draft with a version of this draft.
-struct VersionedDraft {
-  DocVersion Version;
-  /// If the value of the field is None, draft is now deleted
-  llvm::Optional<std::string> Draft;
-};
-
 /// A thread-safe container for files opened in a workspace, addressed by
-/// filenames. The contents are owned by the DraftStore. Versions are mantained
-/// for the all added documents, including removed ones. The document version is
-/// incremented on each update and removal of the document.
+/// filenames. The contents are owned by the DraftStore.
 class DraftStore {
 public:
-  /// \return version and contents of the stored document.
-  /// For untracked files, a (0, None) pair is returned.
-  VersionedDraft getDraft(PathRef File) const;
+  /// \return Contents of the stored document.
+  /// For untracked files, a llvm::None is returned.
+  llvm::Optional<std::string> getDraft(PathRef File) const;
 
-  /// \return List of names of active drafts in this store.  Drafts that were
-  /// removed (which still have an entry in the Drafts map) are not returned by
-  /// this function.
+  /// \return List of names of the drafts in this store.
   std::vector<Path> getActiveFiles() const;
 
-  /// \return version of the tracked document.
-  /// For untracked files, 0 is returned.
-  DocVersion getVersion(PathRef File) const;
-
   /// Replace contents of the draft for \p File with \p Contents.
-  /// \return The new version of the draft for \p File.
-  DocVersion updateDraft(PathRef File, StringRef Contents);
-  /// Remove the contents of the draft
-  /// \return The new version of the draft for \p File.
-  DocVersion removeDraft(PathRef File);
+  void updateDraft(PathRef File, StringRef Contents);
+
+  /// Remove the draft from the store.
+  void removeDraft(PathRef File);
 
 private:
   mutable std::mutex Mutex;
-  llvm::StringMap<VersionedDraft> Drafts;
+  llvm::StringMap<std::string> Drafts;
 };
 
 } // namespace clangd