Add PhantomPreSpawnEvent

paper-api/src/main/java/org/bukkit/entity/Phantom.java

@@ -1,5 +1,8 @@
 package org.bukkit.entity;
 
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
 /**
  * Represents a phantom.
  */
@@ -14,4 +17,14 @@ public interface Phantom extends Flying, Enemy {
      * @param sz The new size of the phantom.
      */
     public void setSize(int sz);
+
+    // Paper start
+    /**
+     * Get the UUID of the entity that caused this phantom to spawn
+     *
+     * @return UUID
+     */
+    @Nullable
+    public java.util.UUID getSpawningEntity();
+    // Paper end
 }