@spec build_entries([MailglassAdmin.Preview.CaptureState.t()], String.t(), sha_mode()) ::
  [map()]

@spec claim_boundary() :: String.t()

@spec schema_version() :: String.t()

@spec screenshot_name(MailglassAdmin.Preview.CaptureState.t()) :: String.t()

@spec write!([map()], [map()], keyword()) :: %{manifest: map(), checkpoint: map()}

@spec write_from_states!(
  [MailglassAdmin.Preview.CaptureState.t()],
  [map()],
  keyword()
) :: %{
  manifest: map(),
  checkpoint: map()
}