package example.model;

public sealed interface SealedInterface {}

public non-sealed interface TypeA {}
public non-sealed interface TypeB {}

package example;

import example.model.SealedInterface;
import example.model.TypeA;
import example.model.TypeB;

public class Main {
  public void apply(SealedInterface sealedInterface) {
    switch(sealedInterface) {
      case TypeA a -> System.out.println("A!");
      case TypeB b -> System.out.println("B!");
    }
  }
}