public function entityProvider()
 {
     $entities = array();
     $entity = new Item(new ItemId('Q42'));
     $entities[] = array($entity);
     $entity = new Item();
     $entity->setLabels(array('en' => 'Nyan Cat', 'fr' => 'Nyan Cat'));
     $entities[] = array($entity);
     $entity = new Item();
     $entity->setDescriptions(array('en' => 'A Nyan Cat', 'fr' => 'A Nyan Cat'));
     $entities[] = array($entity);
     $entity = new Item();
     $entity->setAliases('en', array('Cat', 'My cat'));
     $entity->setAliases('fr', array('Cat'));
     $entities[] = array($entity);
     $entity = new Item();
     $entity->getStatements()->addNewStatement(new PropertyNoValueSnak(42), null, null, 'guid');
     $entities[] = array($entity);
     $item = new Item();
     $item->addSiteLink(new SiteLink('enwiki', 'Nyan Cat'));
     $entities[] = array($item);
     $entities[] = array(Property::newFromType('string'));
     return $entities;
 }