such as
Smartthings does not communicate directly with Lutron Maestro switches. Lutron uses its own proprietary protocol. Smartthings uses Zwave and Zigbee (specifically the zigbee home automation profile ZHA 1.2).
http://thingsthataresmart.wiki/index.php?title=Supported_Network_Protocols
so is there any hub available that can talk to maestro switches? or any way to bridge them to your hub?