final GatewayDiscordClient client = DiscordClient.builder("token")
        .build()
        .gateway()
        .setEnabledIntents(IntentSet.of(Intent.GUILD_MEMBERS, Intent.GUILDS))
        .login()
        .block();

client.getGuildById(Snowflake.of("1223"))
        .flatMapMany(Guild::getMembers)
        .doOnNext(System.err::println)
        .subscribe(null, Throwable::printStackTrace);

client.onDisconnect().block();