public static ResponseDispatch newInstance(int responseStatus, ByteBuffer... content) {
        return newInstance(new Response(responseStatus), List.of(content));
    }
<p>Factory method for creating a ResponseDispatch with a {@link Response} that has the given status code, and
ByteBuffer content.</p>

@param responseStatus The status code of the Response to dispatch.
@param content        The ByteBuffer content of the Response, may be empty.
@return The created ResponseDispatch.
jdisc_core/src/main/java/com/yahoo/jdisc/handler/ResponseDispatch.java