void reportAppendableHistory(@NotNull FilePath path, 
                               @Nullable VcsRevisionNumber startingRevision, 
                               @NotNull VcsAppendableHistorySessionPartner partner);
void reportAppendableHistory(@NotNull FilePath path, 
                               @Nullable VcsRevisionNumber startingRevision, 
                               @NotNull VcsAppendableHistorySessionPartner partner)