the raw content of the file. Can be an Uploadable, BlobLikePart, or AsyncIterable of BlobLikeParts
Optionalname: string | nullthe name of the file. If omitted, toFile will try to determine a file name from bits if possible
Optionaloptions: FilePropertyBagadditional properties
the MIME type of the content
the last modified timestamp
a File with the given properties
Helper for creating a File to pass to an SDK upload method from a variety of different data formats