for (World world : Bukkit.getWorlds()) {
			System.out.println("Top entity by chunk " + world.getName());
			Stream.of(world.getLoadedChunks())
					.map(chunk -> new ImmutablePair<>(chunk, Arrays.asList(chunk.getEntities())))
					.sorted((o1, o2) -> o2.right.size() - o1.right.size())
					.limit(10)
					.forEach(pair -> {
						String entityData = pair.getRight().stream()
								.collect(Collectors.groupingBy(Entity::getType))
								.entrySet().stream()
								.map(e -> e.getKey().name() + " - " + e.getValue().size())
								.collect(Collectors.joining(", "));
						System.out.println("chunk " + pair.getLeft().getX() + " " + pair.getLeft().getZ() + ", entity count " + pair.getRight().size() + " (" + entityData + ")");
					});
		}