defer t.updating.Unlock()
				t.update(context.Background())
			}()
		}
		return *v, nil
	}

	// Get lock. Either we get it or we wait for it.
	t.updating.Lock()
	defer t.updating.Unlock()

	if time.Since(time.UnixMilli(t.lastUpdateMs.Load())) < ttl {
		// There is a new value, release lock and return it.
		if v = t.val.Load(); v != nil {
			return *v, nil
		}
	}

import java.util.Spliterator;
import java.util.stream.Stream;
import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * {@link Set} implementation that asserts that a given lock is held whenever one of its methods is
 * called.
 */
@NullUnmarked
class LockHeldAssertingSet<E> extends ForwardingSet<E> implements Serializable {
  final Set<E> delegate;
  final Object mutex;

func (m *bucketMeasurement) updateExponentialMovingAverage(endTime time.Time) {
	// Calculate aggregate avg bandwidth and exp window avg
	m.lock.Lock()
	defer func() {
		m.startTime = endTime
		m.lock.Unlock()
	}()

	if m.startTime.IsZero() {
		return
	}

	if endTime.Before(m.startTime) {
		return
	}

	duration := endTime.Sub(m.startTime)

import (
	"io"
	"os"

	"github.com/minio/minio/internal/lock"
)

// AppendFile - appends the file "src" to the file "dst"
func AppendFile(dst string, src string, osync bool) error {
	appendFile, err := lock.Open(dst, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0o666)
	if err != nil {
		return err
	}
	defer appendFile.Close()

	srcFile, err := lock.Open(src, os.O_RDONLY, 0o666)
	if err != nil {
		return err
	}

    }

    /*
     * This is an unsynchronized read! After the read, the function returns immediately or acquires
     * the lock to check again. Since an IDLE state was observed inside the preceding synchronized
     * block, and reference field assignment is atomic, this may save reacquiring the lock when
     * another thread or the worker task has cleared the count and set the state.
     *

        }
    }
    
    public void releaseLease(Smb2LeaseKey key) {
        lock.writeLock().lock();
        try {
            LeaseEntry entry = leases.remove(key);
            if (entry != null) {
                pathToLease.remove(entry.path);
            }
        } finally {
            lock.writeLock().unlock();
        }
    }
    
    private void flushCachedWrites(String path) {

    private static final long serialVersionUID = 1L;

    /**
     * Resource type that caused the error
     */
    public enum ResourceType {
        FILE_HANDLE, CONNECTION, MEMORY, DISK_SPACE, QUOTA, LOCK, BUFFER, THREAD_POOL
    }

    private final ResourceType resourceType;
    private final long availableResources;
    private final long requestedResources;

    /**
     * Creates a resource exception
     *

   * of reads may not be immediately reflected on the algorithm's data structures. These structures
   * are guarded by a lock and operations are applied in batches to avoid lock contention. The
   * penalty of applying the batches is spread across threads so that the amortized cost is slightly
   * higher than performing just the operation without enforcing the capacity constraint.

    private static final String RO = Config.getProperty("jcifs.smb1.resolveOrder");

    private static LogStream log = LogStream.getInstance();

    private final Object LOCK = new Object();

    private final int lport;
    private int closeTimeout;
    private final byte[] snd_buf, rcv_buf;
    private DatagramSocket socket;
    private final DatagramPacket in, out;

    #  The definition for optimistic lock of DBFlute.
    #
    #; optimisticLockMap = map:{
    #    # o updateDateFieldName: (NotRequired - Default '')
    #    ; updateDateFieldName = UPDATE_DATE
    #
    #    # o versionNoFieldName: (NotRequired - Default 'VERSION_NO')
    #    #  The column name of version no for optimistic lock.