var proxy = new ProxyBuddy<>(MyClass.class, (pipe, method, arguments) ->
    switch (method.getName()) {
        case "method1" -> 1;
        case "method2" -> 2;
        case "method3" -> 3;
        default -> 0;
    })
    .withInterface(Interface1.class)
    .withInterface(Interface2.class)
    .withInterface(Interface3.class)
    .createProxy();