default String renderThrows(Generator gen, M model) {
        return gen.onEach(model.getExceptions())
            .collect(joinIfNotEmpty(", ", "throws ", throwsSuffix(model)));
    }
Render the throws-part of the model.

@param gen    the generator
@param model  the model
@return       the generated code
common-parent/codegen/src/main/java/com/speedment/common/codegen/internal/java/view/trait/HasThrowsView.java