{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/Hierarchy",
  "title": "Hierarchy",
  "additionalProperties": false,
  "description": "The project issue type hierarchy.",
  "properties": {
    "baseLevelId": {
      "description": "The ID of the base level. This property is deprecated, see [Change notice: Removing hierarchy level IDs from next-gen APIs](https://developer.atlassian.com/cloud/jira/platform/change-notice-removing-hierarchy-level-ids-from-next-gen-apis/).",
      "format": "int64",
      "type": "integer"
    },
    "levels": {
      "description": "Details about the hierarchy level.",
      "items": {
        "$ref": "#/components/schemas/SimplifiedHierarchyLevel"
      },
      "readOnly": true,
      "type": "array"
    }
  },
  "type": "object",
  "xml": {
    "name": "hierarchy"
  }
}