@type t() :: %ExIcaoVds.CapacityEstimate{
  encrypted_overhead_bytes: non_neg_integer(),
  estimated_payload_bytes: non_neg_integer(),
  largest_fields: [{atom(), non_neg_integer()}],
  max_carrier_bytes: non_neg_integer(),
  recommendations: [String.t()],
  signature_overhead_bytes: non_neg_integer(),
  status: :ok | :warning | :too_large,
  usage_percent: float()
}