}

    /**
     * A method that returns String.
     */
    String stringMethod(String stringParam) {
        'value'
    }

    /**
     * A method that returns void.
     */
    void voidMethod() {
    }

    /**
     * A method that returns a reference type.
     */
    public final CombinedInterface refTypeMethod(JavaInterface someThing, boolean aFlag) {
        null
    }

    /**