@Override
    public String fieldSeparator(InterfaceMethod model) {
        if (model.getFields().size() > 3) {
            return "," + Formatting.nl() + Formatting.tab() + Formatting.tab();
        } else return ", ";
    }
Transforms from an {@link InterfaceMethod} to java code.

@author Emil Forslund
common-parent/codegen/src/main/java/com/speedment/common/codegen/internal/java/view/InterfaceMethodView.java