Return type extension for CacheBackendInterface::get

[mglaman]

The get method returns object|false and the object always has a data property.

The cache object should have the following properties:

• data
• created
• tags
• valid
• expire
• checksum
• serialized

See

• \Drupal\Core\Cache\MemoryBackend::prepareItem
• \Drupal\Core\Cache\ApcuBackend::prepareItem
• \Drupal\Core\Cache\DatabaseBackend::prepareItem