if ( formalArgs.get(fieldName)==null ) continue;
try {
Object o = fi.get(omo);
if ( o instanceof OutputModelObject ) { // SINGLE MODEL OBJECT?
OutputModelObject nestedOmo = (OutputModelObject)o;
ST nestedST = walk(nestedOmo);
// System.out.println("set ModelElement "+fieldName+"="+nestedST+" in "+templateName);
st.add(fieldName, nestedST);
}
else if ( o instanceof Collection || o instanceof OutputModelObject[] ) {