Fix more PHPDoc (#12665)

* Fix PHPDoc

* Fix PHPDoc

LibreNMS/Interfaces/Alert/Transport.php

@@ -29,8 +29,8 @@ interface Transport
     /**
      * Gets called when an alert is sent
      *
-     * @param $alert_data array An array created by DescribeAlert
-     * @param $opts array|true The options from the alert_transports transport_config column
+     * @param array $alert_data An array created by DescribeAlert
+     * @param array|true $opts The options from the alert_transports transport_config column
      * @return mixed Returns if the call was successful
      */
     public function deliverAlert($alert_data, $opts);

LibreNMS/Interfaces/Models/Keyable.php

@@ -28,7 +28,7 @@ interface Keyable
 {
     /**
      * Get a string that can identify a unique instance of this model
-     * @return string
+     * @return string|int
      */
     public function getCompositeKey();
 }