public static SerializedMap deserialize(final SerializedMap map/*, final int level*/) {
            final Map<Integer, LevelData> levels = new HashMap<>();

            for (final Map.Entry<String, Object> entry : map.entrySet()) {
                final int level = Integer.parseInt(entry.getKey());
                final LevelData levelData = new LevelData(level);
                final SerializedMap levelSettings = SerializedMap.of(entry.getValue());

                System.out.println("Level: " + level);
                System.out.println("Map: " + map);
                System.out.println("Entry: " + levelSettings);

                levelSettings.setRemoveOnGet(true);

                levelData.range = levelSettings.getInteger("Range");
                Valid.checkNotNull(levelData.range, "Missing 'Range' key from level: " + map);

                levelData.health = levelSettings.getInteger("Health");
                Valid.checkNotNull(levelData.health, "Missing 'Health' key from level: " + map);

                levelData.price = levelSettings.getDouble("Price");
                Valid.checkNotNull(levelData.price, "Missing 'Price' key from level: " + map);

                levelData.laserEnabled = levelSettings.getBoolean("Enable_Laser_Pointer");
                Valid.checkNotNull(levelData.laserEnabled, "Missing 'Enable_Laser_Pointers' key from level: " + map);

                levelData.laserDamage = levelSettings.getDouble("Laser_Pointer_Damage");
                Valid.checkNotNull(levelData.price, "Missing 'Laser_Pointer_Damage' key from level: " + map);

                levelData.lootChances = levelSettings.getTupleList("Loot_Drops", ItemStack.class, Double.class);
                Valid.checkNotNull(levelData.lootChances, "Missing 'Loot_Drops' key from level: " + map);

                Valid.checkBoolean(levelSettings.isEmpty(), "Found unrecognized level settings: " + map);

                levels.put(level, levelData);
            }

            return SerializedMap.of(levels);
        }