Dumplie\Metadata\Exception\HydrationException::missingId PHP Method

    public static function missingId() : HydrationException
    {
        return new self("Data without id can't be hydratred");
    }

 /**
  * @param TypeSchema $type
  * @param array      $data
  *
  * @return Metadata
  * @throws HydrationException
  */
 public function hydrate(TypeSchema $type, array $data = []) : Metadata
 {
     if (!array_key_exists('id', $data)) {
         throw HydrationException::missingId();
     }
     $id = new MetadataId($data['id']);
     unset($data['id']);
     $fieldValues = [];
     foreach ($data as $key => $value) {
         $field = $type->getFieldDefinition($key);
         $value = $field->deserialize($value);
         if ($value instanceof Association) {
             $value = $this->associate($value);
         }
         $fieldValues[$key] = $value;
     }
     foreach ($type->getDefinitions(array_keys($data)) as $key => $field) {
         $fieldValues[$key] = $field->defaultValue();
     }
     return new Metadata($id, $type->name(), $fieldValues);
 }