package xyz.upperlevel.uppercore.arena.events;

import lombok.Getter;
import org.bukkit.event.Event;
import org.bukkit.event.HandlerList;
import xyz.upperlevel.uppercore.arena.Arena;

public class ArenaEvent extends Event {
    @Getter
    private final Arena arena;

    public ArenaEvent(Arena arena) {
        this.arena = arena;
    }

    @Override
    public HandlerList getHandlers() {
        return null;
    }
}

@@ -217,16 +217,84 @@
 Event %7B%0A
+    private static final HandlerList handlers = new HandlerList();%0A%0A
     @Get
@@ -473,12 +473,97 @@
 urn 
-null
+handlers;%0A    %7D%0A%0A    public static HandlerList getHandlerList() %7B%0A        return handlers
 ;%0A  

Fix ArenaEvent