defer c.connMu.Unlock()
		c.connPingInterval = args[0].(time.Duration)
		if c.connPingInterval < time.Second {
			panic("CONN ping interval too low")
		}
	case debugSetClientPingDuration:
		c.connMu.Lock()
		defer c.connMu.Unlock()
		c.clientPingInterval = args[0].(time.Duration)
	case debugAddToDeadline:
		c.addDeadline = args[0].(time.Duration)
	case debugIsOutgoingClosed:

    assertEquals(unit.toNanos(duration), map.expireAfterAccessNanos);
  }

  public void testSetRefresh() {
    long duration = 42;
    TimeUnit unit = SECONDS;
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().refreshAfterWrite(duration, unit));
    assertEquals(unit.toNanos(duration), map.refreshNanos);
  }

    assertEquals(unit.toNanos(duration), map.expireAfterAccessNanos);
  }

  public void testSetRefresh() {
    long duration = 42;
    TimeUnit unit = SECONDS;
    LocalCache<Object, Object> map =
        makeLocalCache(createCacheBuilder().refreshAfterWrite(duration, unit));
    assertEquals(unit.toNanos(duration), map.refreshNanos);
  }

type DialContext func(ctx context.Context, network, address string) (net.Conn, error)

// NewInternodeDialContext setups a custom dialer for internode communication
func NewInternodeDialContext(dialTimeout time.Duration, opts TCPOptions) DialContext {
	return func(ctx context.Context, network, addr string) (net.Conn, error) {
		dialer := &net.Dialer{
			Timeout: dialTimeout,
			Control: setTCPParametersFn(opts),
		}

		Hidden: true,
		EnvVar: "MINIO_INTERFACE",
	},
	cli.DurationFlag{
		Name:   "dns-cache-ttl",
		Usage:  "custom DNS cache TTL",
		Hidden: true,
		Value: func() time.Duration {
			if orchestrated {
				return 30 * time.Second
			}
			return 10 * time.Minute
		}(),
		EnvVar: "MINIO_DNS_CACHE_TTL",
	},
	cli.IntFlag{
		Name:   "max-idle-conns-per-host",

| user               | string                                  | Identifier for owner of requested credentials          |
| maxValiditySeconds | integer (>= 900 seconds and < 365 days) | Maximum allowed expiry duration for the credentials    |
| claims             | key-value pairs                         | Claims to be associated with the requested credentials |

import assertk.assertThat
import assertk.assertions.isEqualTo
import assertk.assertions.isTrue
import java.io.IOException
import java.util.concurrent.TimeUnit
import kotlin.test.assertFailsWith
import kotlin.time.Duration.Companion.seconds
import kotlinx.coroutines.CancellationException
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.TimeoutCancellationException
import kotlinx.coroutines.coroutineScope

			debugln("READ 3\t", n, readBytes)
			if err != nil && err != ErrAcquireLock && err != ErrIsEmpty {
				readErr = err
				break
			}
			if doSleep && readRng.Intn(20) == 0 {
				time.Sleep(time.Duration(readRng.Intn(maxSleep)))
			}
		}
	}()

	// Writer
	{
		buf := make([]byte, 1024)
		writeRng := rand.New(rand.NewSource(2))
		for i := 0; i < 2500; i++ {
			writeRng.Read(buf)
			// Write

		}))
	}
	register(local)
	register(remote)
	// Double remote DL
	local.debugMsg(debugAddToDeadline, wantDL)
	defer local.debugMsg(debugAddToDeadline, time.Duration(0))
	remote.debugMsg(debugAddToDeadline, wantDL)
	defer remote.debugMsg(debugAddToDeadline, time.Duration(0))

	testHandler := func(t *testing.T, handler HandlerID) {
		remoteConn := local.Connection(remoteHost)
		const testPayload = "Hello Grid World!"

		freezeServices()
	} else {
		unfreezeServices()
	}
	return nerrs
}

// Netperf - perform mesh style network throughput test
func (sys *NotificationSys) Netperf(ctx context.Context, duration time.Duration) []madmin.NetperfNodeResult {
	length := len(sys.allPeerClients)
	if length == 0 {
		// For single node erasure setup.
		return nil
	}
	results := make([]madmin.NetperfNodeResult, length)