|This is the main class. You need to create an own class extending from
this one to initiate the ads system. The configuration is done by an
abstract schema. That means, all configurations need to be implemented through
|Core for real-utils. It is only initialized once and holds all available initiators.
|Package localization for `real-utils` package.
|Allow to handle rating popups depending on usage time.
|Create an example REST Service.
|Handle site-wide transients for a specific plugin. It is static-only access and set.