All classes that implement AlterableInterface

class \Drupal\Core\Database\Driver\mysql\Select
class \Drupal\Core\Database\Driver\pgsql\Select
class \Drupal\Core\Database\Driver\sqlite\Select
class \Drupal\Core\Database\Query\PagerSelectExtender
class \Drupal\Core\Database\Query\Select implements SelectInterface
class \Drupal\Core\Database\Query\SelectExtender implements SelectInterface
class \Drupal\Core\Database\Query\TableSortExtender
class \Drupal\Core\Entity\Query\QueryBase implements QueryInterface
class \Drupal\field_sql_storage\Entity\Query
class \Drupal\search\SearchQuery
class \Drupal\search\ViewsSearchQuery