As a Java programmer, when do you use nested interfaces?

[SubhanUllah]

I have never used nested interfaces. The only case I can see where this is sensible is the multi-layered Sealed Interface pattern, e.g.

interface Event { 
    // definitions 
     
    interface Foo extends Event { 
        // Foo-specific event definitions 
    } 
 
    interface Bar extends Event { 
        // Bar-specific event definitions 
    } 
}