@SuppressWarnings("unchecked")
    default T add(final JavadocTag tag) {
        getTags().add(tag);
        return (T) this;
    }
Adds the specified {@link JavadocTag} to this model.

@param tag  the new child
@return     a reference to this
common-parent/codegen/src/main/java/com/speedment/common/codegen/model/trait/HasJavadocTags.java