where:
        rootIsIncluded          | includeRootStatement
        'no'                    | ""
        'yes'                   | "includeBuild('.')"
        // If substitutions for the root would be controllable (e.g. by the first include statement encountered) this would enable you to not have the ':subproject1' substitution
        // This documents the current behavior. It is unclear if this is a useful functionality to have.