module when-value-prefix-aug {

   namespace "urn:when:value:prefix:aug";
   prefix wvpa;

   import when-value-prefix {
      prefix wvp;
   }

   identity inner-indicator {
      base wvp:base-indicator;
   }

   augment "/wvp:outer" {
      container inner {
         when "../wvp:indicator='wvpa:inner-indicator'";
         
         leaf text {
            type string;
         }
      }
   }

}