| expirationDelay | The number of seconds that an AssetBundle may remain unused in the cache before it is automatically deleted. |
| index | Returns the index of the cache in the cache list. |
| maximumAvailableStorageSpace | Allows you to specify the total number of bytes that can be allocated for the cache. |
| path | Returns the path of the cache. |
| readOnly | Returns true if the cache is readonly. |
| ready | Returns true if the cache is ready. |
| spaceFree | Returns the number of currently unused bytes in the cache. |
| spaceOccupied | Returns the used disk space in bytes. |
| valid | Returns true if the cache is valid. |