Monitoring classes and subscriber functions
MongoDB\Driver\Monitoring
&Functions;
&reference.mongodb.functions.driver.entities.monitoring;
&reference.mongodb.mongodb.driver.monitoring.commandfailedevent;
&reference.mongodb.mongodb.driver.monitoring.commandstartedevent;
&reference.mongodb.mongodb.driver.monitoring.commandsucceededevent;
&reference.mongodb.mongodb.driver.monitoring.commandsubscriber;
&reference.mongodb.mongodb.driver.monitoring.subscriber;