The MongoDB\Driver\Monitoring\Subscriber interface
Introduction
Base interface for event subscribers. This is used as a parameter type in the functions
MongoDB\Driver\Monitoring\addSubscriber and
MongoDB\Driver\Monitoring\removeSubscriber and should
not be implemented directly.
Interface synopsis
MongoDB\Driver\Monitoring\Subscriber
class MongoDB\Driver\Monitoring\Subscriber
{
}
This interface has no methods. Its only purpose is to be the base interface
for all event subscribers.