OptionaldatasetOptionalentityOptionalerrorOptionalpermissionTrue when this config was skipped because the current user lacks read
permission on its entity. The data array will be empty [].
OptionalreadTrue when a load of this config failed and the permission classifier said the user cannot
read the entity, or when the config was skipped because an entity the engine caches is not
installed in metadata, so the config was loaded empty. Cache events never fill it;
Config(true) re-evaluates it.
Tracks the load state and data for a single engine property (entity or dataset config).