All classes that implement AlterableInterface

class \Drupal\Core\Config\Entity\Query\Query implements QueryInterface
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\field_sql_storage\Entity\Query implements QueryInterface
class \Drupal\field_sql_storage\Entity\QueryAggregate implements QueryAggregateInterface
class \Drupal\search\SearchQuery
class \Drupal\search\ViewsSearchQuery

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