Which of the following statements is true about the use of the previewer?

In the process of developing UI code, if you add or remove UI components, you only need toCtrl+S to save them, and then the previewer will immediately refresh the preview result

On the previewer interface, you can operate the interface interaction actions of the application/servicein the previewer, such as clicking, jumping, swiping, etc., which is consistent with the interface interaction experience of the application/service running on the real device

Component previews are implemented by adding annotations @Preview front of the component

Thepage preview is achieved by adding annotations to the header of the ETS file @Entry the project