Enabling metrics in Prometheus

package main

import (
    "context"
    "database/sql"

    "github.com/prometheus/client_golang/prometheus"
    metrics "github.com/ydb-platform/ydb-go-sdk-prometheus/v2"
    "github.com/ydb-platform/ydb-go-sdk/v3"
    "github.com/ydb-platform/ydb-go-sdk/v3/trace"
)

func main() {
    ctx := context.Background()
    registry := prometheus.NewRegistry()
    nativeDriver, err := ydb.Open(ctx,
        os.Getenv("YDB_CONNECTION_STRING"),
        metrics.WithTraces(
            registry,
            metrics.WithDetails(trace.DetailsAll),
            metrics.WithSeparator("_"),
        ),
    )
    if err != nil {
        panic(err)
    }
    defer nativeDriver.Close(ctx)

    connector, err := ydb.Connector(nativeDriver)
    if err != nil {
        panic(err)
    }

    db := sql.OpnDB(connector)
    defer db.Close()
    ...
}