type ImportTask =
    {
        name    : string
        token   : string
        files   : array<File * ImportConfig>
    }

type Message =
    | Start of taskName : string
    | Finished of taskName : string
    | Progress of taskName : string * progress : float
    | Done of azureId : Guid
    | Cancelled
    | Error of string

type Command =
    | Import of ImportTask
    | Cancel