allowing "root" types to be instantiated

Author: dcarbone

template/types/definition.php

@@ -20,7 +20,6 @@
 /** @var \DCarbone\PHPFHIR\Definition\Type $type */
 /** @var \DCarbone\PHPFHIR\Definition\Type|null $parentType */
 
-$isRoot = $type->getKind()->isRoot($config->getVersion()->getName());
 $interfaces = $type->getDirectlyImplementedInterfaces();
 $traits = $type->getDirectlyUsedTraits();
 

template/types/serialization/xml.php

@@ -32,7 +32,7 @@
 
 ob_start();
 
-if (!$typeKind->isRoot($versionName)) : ?>
+if (!$type->isAbstract()) : ?>
     /**
      * @return string
      */

template/types/serialization/xml/unserialize/header.php

@@ -50,7 +50,7 @@ public static function xmlUnserialize(null|string|\DOMElement $element = null, n
         if (!($element instanceof \DOMElement)) {
             throw new \InvalidArgumentException(sprintf('<?php echo $typeClassName?>::xmlUnserialize - $node value must be null, \\DOMElement, or valid XML string, %s seen', is_object($element) ? get_class($element) : gettype($element)));
         }
-<?php if ($typeKind->isRoot($versionName)) : // root types may not be instantiated directly ?>
+<?php if ($type->isAbstract()) : // abstract types may not be instantiated directly ?>
         if (null === $type) {
             throw new \RuntimeException('<?php echo $typeClassName; ?>::xmlUnserialize: Cannot unserialize directly into root type');
         } else if (!($type instanceof <?php echo $typeClassName; ?>)) {