Used as the URL prefix for fetched files.
Optional
disableIf set, disables the sync cache and sync operations on async file systems.
Optional
indexURL to a file index as a JSON file or the file index object itself.
Defaults to index.json
.
Optional
remoteIf true, enables writing to the remote (using post and delete)
Optional
requestOptions to pass through to fetch calls
Configuration options for FetchFS.