Custom representation of a visit should not include voided encounters

{
  "uuid": "135e2a3a-c356-4d36-a021-bbffc4b33f56",
  "encounters": [
    {
      "uuid": "a474fb72-1f29-4c00-a161-7837342570e4",
      "voided": false,
      "voidReason": null
    },
    {
      "uuid": "ae115333-7517-4497-ae4b-6cb8e69e4112",
      "voided": false,
      "voidReason": null
    },
    {
      "uuid": "e6ab70e0-5c32-48ed-84d7-ead41916bc53",
      "voided": true,
      "voidReason": "web service call"
    }
  ]
}