Expanded class hierarchy of Query in Search API Solr 4.x
- class \Drupal\search_api_solr\Solarium\Autocomplete\Query extends \Solarium\Core\Query\AbstractQuery implements \Solarium\Component\ComponentAwareQueryInterface uses \Solarium\Component\ComponentAwareQueryTrait, \Solarium\Component\QueryTraits\SpellcheckTrait, \Solarium\Component\QueryTraits\SuggesterTrait, \Solarium\Component\QueryTraits\TermsTrait