@Override
    public void bindTo(MeterRegistry registry) {
        final Self metrics = MicrometerUtil.register(registry, idPrefix, Self.class, Self::new);
        metrics.add(eventLoopGroup);

        addClosingTask(() -> metrics.remove(eventLoopGroup));
    }
Creates an instance of {@link EventLoopMetrics}.
core/src/main/java/com/linecorp/armeria/common/metric/EventLoopMetrics.java