All classes that implement CacheRawBackendInterface in Supercache 2.0.x
- class \Drupal\supercache\Cache\ApcuRawBackend implements CacheRawBackendInterface uses RequestTimeTrait
- class \Drupal\supercache\Cache\ChainedFastRawBackend implements CacheRawBackendInterface uses CoordinatedWriteCounterTrait, RequestTimeTrait
- class \Drupal\supercache\Cache\DatabaseRawBackend implements CacheRawBackendInterface uses RequestTimeTrait