final void status(HttpStatus status) {
        requireNonNull(status, "status");
        cache.put(HttpHeaderNames.STATUS, status);
        setWithoutNotifying(HttpHeaderNames.STATUS, status.codeAsText());
    }
Adds the specified {@code setCookies} with {@link HttpHeaderNames#SET_COOKIE}.
core/src/main/java/com/linecorp/armeria/common/HttpHeadersBase.java