How can i let syncthing folder's readonly like BTSync's?

hi: i found the syncthing is diffrent with the BTSync , when the BTSync folder’s set readonly ,the folder still change by other node ,only this node couldn’t change to other node. i think this is better then the syncthing 's readonly, i hope the syncthing’s readonly should like it !!now the syncthing develop readonly just reverse the BTSync’s readonly !


Etc. In short, not implemented yet.