digraph "ABI diff" {
  "0" [shape=rectangle, label="'interface'"]
  "1" [label="'int x[1][2][3]' → 'int x[1][4][3]'"]
  "2" [label="'int[1][2][3]' → 'int[1][4][3]'"]
  "3" [color=red, label="'int[2][3]' → 'int[4][3]'"]
  "3" -> "3:0"
  "3:0" [color=red, label="number of elements changed from 2 to 4"]
  "2" -> "3" [label="element"]
  "1" -> "2" [label=""]
  "0" -> "1" [label=""]
}