140      * @param ServerRequestInterface $request
144     public function handle(ServerRequestInterface $request): ResponseInterface  argument
146         $tree        = Validator::attributes($request)->tree();
147         $xref        = Validator::attributes($request)->isXref()->string('xref');
148         $user        = Validator::attributes($request)->user();
149 …$generations = Validator::attributes($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIMUM…
150         $spouses     = Validator::attributes($request)->boolean('spouses', self::DEFAULT_SPOUSES);
151         $ajax        = Validator::queryParams($request)->boolean('ajax', false);
154         if ($request->getMethod() === RequestMethodInterface::METHOD_POST) {
157                 'xref'        => Validator::parsedBody($request)->isXref()->string('xref'),
158 …'generations' => Validator::parsedBody($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIM…
159 …       'spouses'     => Validator::parsedBody($request)->boolean('spouses', self::DEFAULT_SPOUSES),
200      * @param ServerRequestInterface $request
204     public function getAncestorsAction(ServerRequestInterface $request): ResponseInterface  argument
206         $tree   = Validator::attributes($request)->tree();
207         $xref   = Validator::queryParams($request)->isXref()->string('xref');
220      * @param ServerRequestInterface $request
224     public function getDescendantsAction(ServerRequestInterface $request): ResponseInterface  argument
226         $tree       = Validator::attributes($request)->tree();
227         $xref       = Validator::queryParams($request)->isXref()->string('xref');
228         $spouses    = Validator::queryParams($request)->boolean('spouses', false);