Notification method for a started server heartbeat

# MongoDB\Driver\Monitoring\SDAMSubscriber::serverHeartbeatStarted

(mongodb >=1.13.0)

MongoDB\Driver\Monitoring\SDAMSubscriber::serverHeartbeatStarted — Notification method for a started server heartbeat

### 説明

abstract public function MongoDB\Driver\Monitoring\SDAMSubscriber::serverHeartbeatStarted(MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent `$event`): void

If the subscriber is registered, this method is called when a server heartbeat (i.e. » hello command issued through » server monitoring) is sent to the server.

### パラメータ

`event` (MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent)
  An event object encapsulating information about the started server heartbeat.

### 戻り値

値を返しません。

### エラー / 例外

- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

### 参考

- MongoDB\Driver\Monitoring\ServerHeartbeatStartedEvent
- MongoDB\Driver\Monitoring\addSubscriber() - Registers a monitoring event subscriber globally
- MongoDB\Driver\Manager::addSubscriber() - Registers a monitoring event subscriber with this Manager

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