Note: This does not perform the actual copying. The actual copying can be triggered by putting the returned FutureBinary into an Obj.
Params
options(optional) (Object) - Options to pass when copying aBinary:filename(String) - The new file name.contentType(String) - A content type for overriding the originalcontentType.
Throws
ArgumentError- If any of the passed-in options are blank.
Returns
FutureBinary