<field xml.attribute="true" xml.tagName="root">
          <name>root</name>
          <version>4.1.0+</version>
          <description>
            Indicates that this project is the root project, located in the upper directory of the source tree.
            This is the directory which may contain the .mvn directory.

            @since Maven 4.0.0
          </description>
          <type>boolean</type>