All classes that implement InboundPathProcessorInterface

class \Drupal\Core\PathProcessor\PathProcessorAlias implements InboundPathProcessorInterface, OutboundPathProcessorInterface
class \Drupal\Core\PathProcessor\PathProcessorDecode implements InboundPathProcessorInterface
class \Drupal\Core\PathProcessor\PathProcessorFront implements InboundPathProcessorInterface, OutboundPathProcessorInterface
class \Drupal\Core\PathProcessor\PathProcessorManager implements InboundPathProcessorInterface, OutboundPathProcessorInterface
class \Drupal\language\HttpKernel\PathProcessorLanguage implements InboundPathProcessorInterface, OutboundPathProcessorInterface
class \Drupal\url_alter_test\PathProcessor implements InboundPathProcessorInterface
class \Drupal\url_alter_test\PathProcessorTest implements InboundPathProcessorInterface, OutboundPathProcessorInterface