- import yang-ext {prefix ext;}
- import opendaylight-inventory {prefix inv;}
- import opendaylight-flow-types {prefix flow-types;}
+ import yang-ext {prefix ext; revision-date "2013-07-09";}
+ import opendaylight-inventory {prefix inv;revision-date "2013-08-19";}
+ import opendaylight-flow-types {prefix flow-types;revision-date "2013-10-26";}