public ServerCacheControlBuilder sMaxAgeSeconds(long sMaxAgeSeconds) {
        this.sMaxAgeSeconds = validateSeconds(sMaxAgeSeconds, "sMaxAgeSeconds");
        return this;
    }
Enables the {@code "s-maxage"} directive.

@param sMaxAgeSeconds the value in seconds.
core/src/main/java/com/linecorp/armeria/common/ServerCacheControlBuilder.java