JSF 版本由什么决定容器还是面孔配置

JSF 版本由什么决定？容器还是面孔配置？

java
// index.xhtml
      xmlns:h="http://xmlns.jcp.org/jsf/html">
    
    
        
        
        
    
// HelloBean.java
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
@ManagedBean
@RequestScoped
public class HelloBean {
    private String name;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String sayHello() {
        return "hello";
    }
}