resourceManifest

Get a list of all resources available in this ResourceProvider.

If this ResourceProvider doesn't know about all resources within its container, it will return null.

For example, the ZipResourceProvider has a central directory containing metadata about all resources within the zip file, and can therefore return a list of resources. On the other hand, a HttpResourceProvider may not know about all available resources on the target web server and may return null.

The returned list of resources must never change over time as clients may cache the result.