src/Statistic/Model/Data.php
public function toObject(): stdClass
    {
        $object = new stdClass;
        $object->timestamp = $this->timestamp;
        $object->collection = $this->collection->toArray();

        foreach ($object->collection as $alias => $status) {
            $object->collection[$alias] = $status->toObject();
        }

        return $object;
    }
public function toObject(): stdClass
    {
        $object = new stdClass;
        $object->timestamp = $this->timestamp;
        $object->collection = $this->collection->toArray();

        foreach ($object->collection as $alias => $status) {
            $object->collection[$alias] = $status->toObject();
        }

        return $object;
    }
Type cast to object

@return \stdClass