@Nonnull
        @Override
        public BossBar visible(boolean visible) {
            if (visible) {
                this.bar.show();
            } else {
                this.bar.hide();
            }
            return this;
        }
Implementation of {@link BossBarFactory} using ViaVersion.
helper/src/main/java/me/lucko/helper/bossbar/ViaBossBarFactory.java