public Result update(RevWalk walk) throws IOException {requireCanDoUpdate();try {return result = updateImpl(walk, new Store() {@OverrideResult execute(Result status) throws IOException {if (status == Result.NO_CHANGE)return status;return doUpdate(status);}});} catch (IOException x) {result = Result.IO_FAILURE;throw x;}}

public virtual RefUpdate.Result Update(RevWalk walk){RequireCanDoUpdate();try{return result = UpdateImpl(walk, new _Store_484(this));}catch (IOException x){result = RefUpdate.Result.IO_FAILURE;throw;}}
