如何使用Java prometheus sdk创建带有标签的量规指标？

<dependency>
    <groupId>io.prometheus</groupId>
    <artifactId>simpleclient</artifactId>
    <version>0.11.0</version>
</dependency>
<dependency>
    <groupId>io.prometheus</groupId>
    <artifactId>simpleclient_common</artifactId>
    <version>0.11.0</version>
</dependency>
<dependency>
    <groupId>io.prometheus</groupId>
    <artifactId>simpleclient_hotspot</artifactId>
    <version>0.11.0</version>
</dependency>

import io.prometheus.client.Counter;
import io.prometheus.client.Gauge;
import io.prometheus.client.Histogram;
import io.prometheus.client.Summary;

// 创建计数器指标
Counter requestsTotal = Counter.build()
        .name("requests_total")
        .help("Total number of requests.")
        .labelNames("method", "status")
        .register();

// 创建测量仪指标
Gauge temperature = Gauge.build()
        .name("temperature")
        .help("Current temperature.")
        .labelNames("location")
        .register();

// 创建直方图指标
Histogram requestLatency = Histogram.build()
        .name("request_latency_seconds")
        .help("Request latency in seconds.")
        .labelNames("method")
        .register();

// 创建摘要指标
Summary responseSize = Summary.build()
        .name("response_size_bytes")
        .help("Response size in bytes.")
        .labelNames("endpoint")
        .register();

// 增加计数器的值
requestsTotal.labels("GET", "200").inc();

// 设置测量仪的值
temperature.labels("room1").set(25.5);

// 观察直方图的分布
Histogram.Timer requestTimer = requestLatency.labels("POST").startTimer();
try {
    // 执行请求操作
} finally {
    requestTimer.observeDuration();
}

// 记录摘要指标
responseSize.labels("/api/endpoint").observe(response.getSize());

import io.prometheus.client.exporter.HTTPServer;

public class Main {
    public static void main(String[] args) throws IOException {
        // 创建HTTP服务器并指定端口
        HTTPServer server = new HTTPServer(8080);
        
        // 注册指标
        // ...
    }
}