{
{% if rows > 0 %}
    rows: {{rows}},
{% endif %}
{% if columns > 0 %}
    columns: {{columns}},
{% endif %}
{% if xGap is not null %}
    xgap: {{xGap}},
{% endif %}
{% if yGap is not null %}
    ygap: {{yGap}},
{% endif %}
{% if rowOrder is not null %}
    roworder: '{{rowOrder}}',
{% endif %}
{% if xSide is not null %}
    xside: '{{xSide}}',
{% endif %}
{% if ySide is not null %}
    yside: '{{ySide}}',
{% endif %}
{% if pattern is not null %}
    pattern: '{{pattern}}'
{% endif %}
}