Events are string references

We can't return an Event object for the string given since it's using a static `dispatch` method.

src/Client.php

@@ -216,12 +216,13 @@ private function setAccountConfig(string $key, array $config, array $default_con
      * @param $config
      */
     protected function setEventsFromConfig($config): void {
-        $this->events = ClientManager::get("events");
+        $events = ClientManager::get("events");
         if(isset($config['events'])){
             foreach($config['events'] as $section => $events) {
-                $this->events[$section] = array_merge($this->events[$section], $events);
+                $events[$section] = array_merge($events[$section], $events);
             }
         }
+        $this->setEvents($events);
     }
 
     /**

src/Traits/HasEvents.php

@@ -26,27 +26,31 @@ trait HasEvents {
     /**
      * Event holder
      *
-     * @var array $events
+     * @var array<string, array<string, string>> $events
      */
     protected $events = [];
 
     /**
      * Set a specific event
-     * @param $section
-     * @param $event
-     * @param $class
      */
-    public function setEvent($section, $event, $class): void {
+    public function setEvent(string $section, string $event, string $class): void {
         if (isset($this->events[$section])) {
             $this->events[$section][$event] = $class;
         }
     }
 
     /**
      * Set all events
-     * @param $events
+     * @param array<string, array<string, string>> $events
      */
     public function setEvents($events): void {
+        foreach($events as $section => $sectionEvents) {
+            assert(is_string($section));
+            foreach($sectionEvents as $event => $class) {
+                assert(is_string($event));
+                assert(is_string($class) && is_a($class, Event::class, true));
+            }
+        }
         $this->events = $events;
     }
 
@@ -55,10 +59,10 @@ public function setEvents($events): void {
      * @param $section
      * @param $event
      *
-     * @return Event
+     * @return string
      * @throws EventNotFoundException
      */
-    public function getEvent($section, $event): Event {
+    public function getEvent($section, $event): string {
         if (isset($this->events[$section])) {
             return $this->events[$section][$event];
         }
@@ -68,10 +72,10 @@ public function getEvent($section, $event): Event {
     /**
      * Get all events
      *
-     * @return array
+     * @return array<string, array<string, string>>
      */
     public function getEvents(): array {
         return $this->events;
     }
 
-}
+}