///|
fn layout_graph(
  graph : MermaidGraph,
  options : RenderOptions,
) -> PositionedGraph {
  @layout.layout_graph(graph, options)
}

///|
fn layout_graph_for_ascii(
  graph : MermaidGraph,
  options : RenderOptions,
) -> PositionedGraph {
  @layout.layout_graph_for_ascii(graph, options)
}