{
  "name": "sample_of_one_keeps_everything",
  "description": "keep_one_in 1 is a no-op, not an off switch.",
  "rules": [
    {
      "match": [],
      "actions": [
        {
          "action": "sample",
          "keep_one_in": 1
        }
      ]
    }
  ],
  "inputs": [
    {
      "timestamp_unix_nano": 1000000,
      "host": "h1",
      "service": "s1",
      "severity": "SEVERITY_INFO",
      "message": "a",
      "attributes": {}
    },
    {
      "timestamp_unix_nano": 2000000,
      "host": "h1",
      "service": "s1",
      "severity": "SEVERITY_INFO",
      "message": "b",
      "attributes": {}
    }
  ],
  "expect": [
    {
      "timestamp_unix_nano": 1000000,
      "host": "h1",
      "service": "s1",
      "severity": "SEVERITY_INFO",
      "message": "a",
      "attributes": {}
    },
    {
      "timestamp_unix_nano": 2000000,
      "host": "h1",
      "service": "s1",
      "severity": "SEVERITY_INFO",
      "message": "b",
      "attributes": {}
    }
  ]
}