public function write(ServerSerializationStreamWriter $stream, $instance, MappedClass $instanceClass = null)
 {
     $stream->writeInt(count($instance));
     for ($i = 0, $n = count($instance); $i < $n; ++$i) {
         $stream->writeObject($instance[$i], $instanceClass->getComponentType());
     }
 }
 public function write(ServerSerializationStreamWriter $stream, $instance)
 {
     $stream->writeInt(count($instance));
     for ($i = 0, $n = count($instance); $i < $n; ++$i) {
         $stream->writeObject($instance[$i]);
     }
 }