PHP 8 Compatibility

app/EventBuilder/EventIteratorBuilder.php

@@ -27,6 +27,7 @@ class EventIteratorBuilder implements Iterator {
         return $this;
     }
 
+    #[\ReturnTypeWillChange]
     public function rewind() {
         $this->position = 0;
     }
@@ -34,18 +35,22 @@ class EventIteratorBuilder implements Iterator {
     /**
      * @return BaseEventBuilder
      */
+    #[\ReturnTypeWillChange]
     public function current() {
         return $this->builders[$this->position];
     }
 
+    #[\ReturnTypeWillChange]
     public function key() {
         return $this->position;
     }
 
+    #[\ReturnTypeWillChange]
     public function next() {
         ++$this->position;
     }
 
+    #[\ReturnTypeWillChange]
     public function valid() {
         return isset($this->builders[$this->position]);
     }