Add .entities in EntityVolume, lift from ServerWorld

Author: tyhdefu

src/main/java/org/spongepowered/api/world/server/ServerWorld.java

@@ -209,14 +209,7 @@ default boolean restoreSnapshot(final Vector3i position, final BlockSnapshot sna
 
     @Override
     Collection<ServerPlayer> players();
-
-    /**
-     * Gets all the {@link Entity entities} currently loaded in this world.
-     *
-     * @return The entities
-     */
-    Collection<? extends Entity> entities();
-
+    
     /**
      * Gets all {@link Raid}s occuring in this {@link ServerWorld}.
      *

src/main/java/org/spongepowered/api/world/volume/entity/EntityVolume.java

@@ -75,6 +75,16 @@ public interface EntityVolume extends Volume {
      */
     Optional<Entity> entity(UUID uuid);
 
+    /**
+     * Gets all the loaded entities in this entity volume, in no particular
+     * order.
+     *
+     * <p>This collection is unmodifiable.</p>
+     *
+     * @return All entities in this volume.
+     */
+    Collection<? extends Entity> entities();
+
     /**
      * Gets all the entities that intersect the bounding box, in no particular
      * order.