@type t() :: %Boxart.Charset.Junctions{
  corner_bottom_left: String.t(),
  corner_bottom_right: String.t(),
  corner_top_left: String.t(),
  corner_top_right: String.t(),
  cross: String.t(),
  tee_down: String.t(),
  tee_left: String.t(),
  tee_right: String.t(),
  tee_up: String.t()
}