<document source="index">
    <section ids="heading" names="heading">
        <title>
            Heading
        <container classes="sd-tab-set" design_component="tab-set" is_div="True">
            <sd_tab_input checked="True" id="sd-tab-item-0" set_id="sd-tab-set-0" type="radio">
            <sd_tab_label classes="sd-tab-label" input_id="sd-tab-item-0">
                Label1
            <container classes="sd-tab-content" design_component="tab-content" is_div="True">
                <paragraph>
                    Content 1
            <sd_tab_input checked="False" id="sd-tab-item-1" set_id="sd-tab-set-0" type="radio">
            <sd_tab_label classes="sd-tab-label" input_id="sd-tab-item-1">
                Label2
            <container classes="sd-tab-content" design_component="tab-content" is_div="True">
                <paragraph>
                    Content 2
