public Compras(IntelligentCheckoutDB db) => this._db = db;
public Pessoas(IntelligentCheckoutDB db) => this._db = db;
public Produtos(IntelligentCheckoutDB db) => this._db = db;
public Carrinhos(IntelligentCheckoutDB db) => this._db = db;
public Compras(IntelligentCheckoutDB db) => this._db = db;
public Pessoas(IntelligentCheckoutDB db) => this._db = db;
public Produtos(IntelligentCheckoutDB db) => this._db = db;
public Carrinhos(IntelligentCheckoutDB db) => this._db = db;