default <M> Stream<String> onEach(Collection<M> models) {
        return metaOn(models).map(Meta::getResult);
    }
Renders all the specified models into a stream of strings.

@param <M>     the model type
@param models  the models to generate
@return        a stream of meta objects
common-parent/codegen/src/main/java/com/speedment/common/codegen/Generator.java