const coreApp = lesan();
      const locationPure = {
        name: string(),
        population: number(),
        abb: string(),
      };
      const cities = coreApp.odm.newModel("city", locationPure, {
        country: {
          schemaName: "country",
          type: "single",
          optional: false,
          relatedRelations: {
            cities: {
              type: "multiple",
              limit: 5,
              sort: {
                field: "_id",
                order: "asc",
              },
            },
          },
        },
      });
      
const getCitySchema = coreApp.schemas.getSchema("city");
    
  

    
  {
    pure: {
      "_id": string(),
        "name": string(),
      "location": array(number(), number()),
      },
    "relations": {
      "country": {
        "schemaName": "country",
        "type": "single",
        "optional": false,
        "relatedRelations": {
          "cities": {
            "type": "multiple",
            "limit": 5,
            "sort": {
              "field": "\_id",
              "order": "asc"
            }
          }
        }
      }
    }
    mainRelations: {
      "country": {
        schemaName: "country",
        "type": "single",
        "optional": false
      }
    },
    "relatedRelations": {
      "users": {
        "mainRelationName": "livedCities",
        "mainRelationType": "multiple",
        "schemaName": "user",
        "type": "multiple",
        "limit": 5,
        "sort": {
        "field": "\_id",
        "order": "desc"
        }
      }
    }
  }