public void setModelEncoding(String modelEncoding) {
        update(getDelegate().with().modelEncoding(modelEncoding).build());
    }

    /**
     * Gets the base directory for the corresponding project (if any).
     *
     * @return The base directory for the corresponding project or {@code null} if this model does not belong to a local
     *         project (e.g. describes the metadata of some artifact from the repository).