graph: {
orientation: "top_to_bottom"
node: { title: "A" }
node: { title: "B" }
edge: { source: "A" target: "B" }
}
graph: {
orientation: "top_to_bottom"
node: { title: "A" }
node: { title: "B" }
edge: { source: "A" target: "B" }
}