{
  "allOf": [
    { "$ref": "../../../../../../spec/fixtures/api/schemas/entities/issue_sidebar_extras.json" },
    {
      "properties": {
        "epic": {
          "type": ["object", "null"],
          "properties": {
            "id": { "type": "integer" },
            "title": { "type": "string" },
            "url": { "type": "string" },
            "epic_issue_id": { "type":  ["integer", "null"] }
          }
        },
        "weight": { "type": ["integer", "null"] }
      },
      "required": [
        "weight"
      ]
    }
  ]
}
