import com.google.errorprone.annotations.concurrent.LazyInit;
import java.util.concurrent.Callable;
import java.util.concurrent.Executor;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicReference;
import org.jspecify.annotations.Nullable;

/**
 * Serializes execution of tasks, somewhat like an "asynchronous {@code synchronized} block." Each

package cmd

import (
	"bytes"
	"context"
	"encoding/gob"
	"encoding/json"
	"errors"
	"fmt"
	"io"
	"maps"
	"math/rand"
	"strconv"
	"strings"
	"sync"
	"sync/atomic"
	"time"

	jsoniter "github.com/json-iterator/go"
	"github.com/minio/minio/internal/bucket/lifecycle"
	"github.com/minio/minio/internal/bucket/object/lock"
	"github.com/minio/minio/internal/bucket/versioning"

    }

    /**
     * Inner class for handling updates to the character mapping file.
     * This class manages the temporary file creation, writing operations,
     * and atomic updates to ensure data consistency during modifications.
     */
    protected class MappingUpdater implements Closeable {

        /** Flag indicating whether changes should be committed to the file. */

	scannerCycle                         = uatomic.NewDuration(dataScannerStartDelay)
	scannerIdleMode                      = uatomic.NewInt32(0) // default is throttled when idle
	scannerExcessObjectVersions          = uatomic.NewInt64(100)
	scannerExcessObjectVersionsTotalSize = uatomic.NewInt64(1024 * 1024 * 1024 * 1024) // 1 TB
	scannerExcessFolders                 = uatomic.NewInt64(50000)
)

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicInteger;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Test case for {@link EventBus}.
 *
 * @author Cliff Biffle
 */
@NullUnmarked

import static java.security.AccessController.doPrivileged;
import static java.util.Objects.requireNonNull;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
import static java.util.concurrent.atomic.AtomicReferenceFieldUpdater.newUpdater;
import static java.util.logging.Level.SEVERE;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.VisibleForTesting;

package cmd

import (
	"bytes"
	"context"
	"encoding/hex"
	"errors"
	"fmt"
	"io"
	"net/http"
	"net/url"
	"path"
	"strconv"
	"strings"
	"sync/atomic"
	"time"

	"github.com/minio/madmin-go/v3"
	"github.com/minio/minio/internal/bpool"
	"github.com/minio/minio/internal/cachevalue"
	"github.com/minio/minio/internal/grid"
	xhttp "github.com/minio/minio/internal/http"

import java.io.InputStream;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.pdfbox.Loader;
import org.apache.pdfbox.cos.COSInputStream;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import org.jspecify.annotations.Nullable;

/**
 * An implementation of {@link GraphConnections} for directed graphs.
 *
 * @author James Sexton
 * @author Jens Nyman

				},
				Value: float64(atomic.LoadUint64(&globalIAMSys.TotalRefreshSuccesses)),
			},
			{
				Description: MetricDescription{
					Namespace: nodeMetricNamespace,
					Subsystem: iamSubsystem,
					Name:      "sync_failures",
					Help:      "Number of failed IAM data syncs since server uptime",
					Type:      counterMetric,
				},
				Value: float64(atomic.LoadUint64(&globalIAMSys.TotalRefreshFailures)),