Model not initialized: Member "findOne" cannot be called. "User" needs to be added to a Sequelize instance. code example

Example: Model not initialized: Member "findOne" cannot be called.

import { Message } from './models/message';
import { User } from './models/user';
import { Sequelize } from 'sequelize-typescript';

const sequelize = new Sequelize({...});

sequelize.addModels([User, Message]);