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LB3 Commands	LB4 Commands	Description
lb or lb app	lb4 or lb4 app	Create a new application
lb datasource	lb4 datasource	Create a new datasource
lb model	lb4 model	Create a new model. In LB3, this would create the model, but you would automatically get all the model methods and remote methods. In LB4, this command only creates the model; you must also create a repository to handle the CRUD operations of your model, and you must create a controller to define your model's REST API endpoints. Alternatively, you can use lb4 rest-crud to create a configuration file that allows you to avoid having to create a repository and controller.
lb relation	lb4 relation	Create a relation between two models
lb swagger	lb4 openapi	In LB3, create a fully functioning application using an API defined in the Swagger 2.0 specification. In LB4, create a fully functioning application using an API defined in either the Swagger 2.0 or the OpenAPI 3.0 specification.