@type t() :: %Boxart.Graph.Edge{
  arrow_type_end: Boxart.Graph.arrow_type(),
  arrow_type_start: Boxart.Graph.arrow_type(),
  has_arrow_end: boolean(),
  has_arrow_start: boolean(),
  label: String.t(),
  min_length: pos_integer(),
  source: String.t(),
  style: Boxart.Graph.edge_style(),
  target: String.t()
}