default <M> Stream<Meta<M, String>> metaOn(M model) {
        return metaOn(model, String.class);
    }
Renders the specified model into a stream of code models. This is used
internally to provide the other interface methods.

@param <M>    the model type
@param model  the model to generate
@return       a stream of meta objects

@see Meta
common-parent/codegen/src/main/java/com/speedment/common/codegen/Generator.java