Zero boilerplate delegation in Kotlin 1

CopyPrinter.java

class CopyPrinter implements Copy, Print {

    private Copy copier;
    private Print printer;

    public CopyPrinter(Copy copier, Print printer) {
        this.copier = copier;
        this.printer = printer;
    }

    @Override
    public Page copy(Page page) {
        return copier.copy(page);
    }

    @Override
    public void print(Page page) {
        printer.print(page);
    }
}

interface Copy {
    Page copy(Page page);
}

interface Print {
    void print(Page page);
}

class Page {}