| Interface | Description | 
|---|---|
| Fetcher | 
 Interface for an object that will fetch an InputStream given
 a fetch string. 
 | 
| RangeFetcher | 
 This class extracts a range of bytes from a given fetch key. 
 | 
| Class | Description | 
|---|---|
| AbstractFetcher | |
| EmptyFetcher | |
| FetcherManager | 
 Utility class to hold multiple fetchers. 
 | 
| FetchKey | 
 Pair of fetcherName (which fetcher to call) and the key
 to send to that fetcher to retrieve a specific file. 
 | 
| Exception | Description | 
|---|---|
| FetcherStringException | 
 If something goes wrong in parsing the fetcher string 
 | 
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