Expand LingeringPotion API

paper-api/src/main/java/org/bukkit/event/entity/LingeringPotionSplashEvent.java

@@ -17,6 +17,7 @@ public class LingeringPotionSplashEvent extends ProjectileHitEvent implements Ca
     private static final HandlerList handlers = new HandlerList();
     private boolean cancelled;
     private final AreaEffectCloud entity;
+    private boolean allowEmptyAreaEffectCreation; // Paper
 
     @Deprecated(since = "1.20.2")
     public LingeringPotionSplashEvent(@NotNull final ThrownPotion potion, @NotNull final AreaEffectCloud entity) {
@@ -44,6 +45,26 @@ public class LingeringPotionSplashEvent extends ProjectileHitEvent implements Ca
         return entity;
     }
 
+    // Paper start
+    /**
+     * Sets if an Empty AreaEffectCloud may be created
+     *
+     * @param allowEmptyAreaEffectCreation If an Empty AreaEffectCloud may be created
+     */
+    public void allowsEmptyCreation(boolean allowEmptyAreaEffectCreation) {
+        this.allowEmptyAreaEffectCreation = allowEmptyAreaEffectCreation;
+    }
+
+    /**
+     * Gets if an empty AreaEffectCloud may be created
+     *
+     * @return if an empty AreaEffectCloud may be created
+     */
+    public boolean allowsEmptyCreation() {
+        return allowEmptyAreaEffectCreation;
+    }
+    // Paper end
+
     @Override
     public boolean isCancelled() {
         return cancelled;