[
  {
    "type": "reference",
    "name": "s1",
    "import": "memory:sdk/tests/web/native/main.dart#step1"
  },
  {
    "type": "reference",
    "name": "s2a",
    "import": "memory:sdk/tests/web/native/main.dart#step2a"
  },
  {
    "type": "reference",
    "name": "s2b",
    "import": "memory:sdk/tests/web/native/main.dart#step2b"
  },
  {
    "type": "reference",
    "name": "s3",
    "import": "memory:sdk/tests/web/native/main.dart#step3"
  },
  {
    "type": "and",
    "name": "s2",
    "nodes": [
      "s2a",
      "s2b"
    ]
  },
  {
    "type": "order",
    "predecessor": "s1",
    "successor": "s2"
  },
  {
    "type": "order",
    "predecessor": "s2",
    "successor": "s3"
  }
]