{
    "name": "RoleMapping",
    "description": "Map principals to roles",
    "properties": {
      "id": {
        "type": "string",
        "id": true,
        "generated": true
      },
      "principalType": {
        "type": "string",
        "description": "The principal type, such as user, application, or role"
      },
      "principalId": {
        "type": "string",
        "index": true
      }
    },
    "relations": {
      "role": {
        "type": "belongsTo",
        "model": "Role",
        "foreignKey": "roleId"
      }
    }
  }