BundleTypes specify a type of bundle. These bundles can then be created with purchases referring to the BundleType by key in their BundleInfo.
| || ||The sequence number for the bundleType. Determines the order in which bundles are considered when multiple are available.|
| || ||The items that are allowed in this bundle.|
| || ||Unique external identifier for the BundleType.|
| || ||No Overview Available.|