+ if($1 == null) {
+ throw new IllegalArgumentException("RPC input must not be null and must contain a value for field «rpcMeta.inputRouteGetter.name»");
+ }
+ if($1.«rpcMeta.inputRouteGetter.name»() == null) {
+ throw new IllegalArgumentException("Field «rpcMeta.inputRouteGetter.name» must not be null");
+ }