+ if ( not_found.size() > 0 ) {
+ ForesterUtil.fatalError( surfacing.PRG_NAME,
+ "the following " + not_found.size()
+ + " node(s) are not present in the input tree: " + not_found );
+ }
+ if ( not_unique.size() > 0 ) {
+ ForesterUtil.fatalError( surfacing.PRG_NAME,
+ "the following " + not_unique.size()
+ + " node(s) are not unique in the input tree: " + not_unique );
+ }