@type t() :: %Sidereon.GNSS.Data.Product{
  cache_filename: String.t() | nil,
  center: String.t(),
  compression: String.t() | nil,
  date: Date.t(),
  filename: String.t() | nil,
  issue: String.t() | nil,
  pattern: String.t() | nil,
  product_type: String.t(),
  sample: String.t(),
  span: String.t() | nil,
  url: String.t() | nil
}