{
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  "fixture_id": "tool_json_v2-v2-003",
  "context": "tool_json_v2",
  "locale_chain": [
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  ],
  "length_tier": "Snippet",
  "structural_family": "tool_json_v2",
  "spans": [
    {
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      "byte_end": 75,
      "class_id": "custom:phone",
      "raw_label": "+12025550172",
      "generator_id": "phone_structural",
      "generator_seed": 3366403364924749010,
      "license_origin": "synthetic-rust-generator",
      "expected_recognizer_id": "phone.structural",
      "expected_recognizer_version_id": "phone.structural.v1"
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    {
      "byte_start": 85,
      "byte_end": 119,
      "class_id": "Email",
      "raw_label": "alice.synthetic147@example.invalid",
      "generator_id": "email_global",
      "generator_seed": 2184206916425498577,
      "license_origin": "synthetic-rust-generator",
      "expected_recognizer_id": "email.global",
      "expected_recognizer_version_id": "email.global.v1"
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}