ExposedFormPluginInterface

class \Drupal\views\Plugin\views\exposed_form\Basic implements \Drupal\views\Plugin\views\exposed_form\ExposedFormPluginBase
class \Drupal\views\Plugin\views\exposed_form\ExposedFormPluginBase extends \Drupal\Core\Cache\CacheableDependencyInterface, \Drupal\views\Plugin\views\exposed_form\ExposedFormPluginInterface implements \Drupal\views\Plugin\views\PluginBase
class \Drupal\views\Plugin\views\exposed_form\InputRequired implements \Drupal\views\Plugin\views\exposed_form\ExposedFormPluginBase

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