Fixes and additions to projectile API (#9237)

patches/api/More-Projectile-API.patch

@@ -181,6 +181,14 @@ diff --git a/src/main/java/org/bukkit/entity/Projectile.java b/src/main/java/org
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/entity/Projectile.java
 +++ b/src/main/java/org/bukkit/entity/Projectile.java
+@@ -0,0 +0,0 @@ public interface Projectile extends Entity {
+      * Retrieve the shooter of this projectile.
+      *
+      * @return the {@link ProjectileSource} that shot this projectile
++     * @see #getOwnerUniqueId()
+      */
+     @Nullable
+     public ProjectileSource getShooter();
 @@ -0,0 +0,0 @@ public interface Projectile extends Entity {
       */
      @Deprecated(forRemoval = true) // Paper
@@ -260,6 +268,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +     * @see #canHitEntity(Entity) 
 +     */
 +    void hitEntity(@org.jetbrains.annotations.NotNull Entity entity, @org.jetbrains.annotations.NotNull org.bukkit.util.Vector vector);
++
++    /**
++     * Gets the owner's UUID
++     *
++     * @return the owner's UUID, or null if not owned
++     * @see #getShooter()
++     */
++    @Nullable
++    java.util.UUID getOwnerUniqueId();
 +    // Paper end
  }
 diff --git a/src/main/java/org/bukkit/entity/ShulkerBullet.java b/src/main/java/org/bukkit/entity/ShulkerBullet.java