List of item files' URLs and folder/filenames for storing the files
Id of item to receive copy of resource/metadata/thumbnail
Credentials for the request to the storage
Number of files to include per zip file; AGO limits zips to 50 files
A promise which resolves to a list of the result of the copies
Copies the files for storing the resources, metadata, and thumbnail of an item or group to a storage item with a specified path by collecting files into zip files.