override fun contentType(): MediaType? = null

    override fun writeTo(sink: BufferedSink) {
      for (i in 0 until 50) {
        sink.writeUtf8("abc")
        sink.flush()
        Thread.sleep(100)
      }
      fail("")
    }
  }

    val request = Request(server.url("/"))
    val response1 = client.newCall(request).execute()
    assertThat(response1.body.string()).isEqualTo("a")

    // Give the thread pool a chance to evict.
    Thread.sleep(500)
    val response2 = client.newCall(request).execute()
    assertThat(response2.body.string()).isEqualTo("b")
    assertThat(server.takeRequest().exchangeIndex).isEqualTo(0)

		for {
			client.doListen(ctx, listenCh, v)
			select {
			case <-ctx.Done():
				return
			default:
				// There was error in the REST request, retry after sometime as probably the peer is down.
				time.Sleep(5 * time.Second)
			}
		}
	}()
}

// Trace - send http trace request to peer nodes
func (client *peerRESTClient) Trace(ctx context.Context, traceCh chan<- []byte, traceOpts madmin.ServiceTraceOpts) {

	}
	if err := ps.Subscribe(MaskAll, ch2, doneCh2, nil); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	close(doneCh1)
	// Allow for the above statement to take effect.
	time.Sleep(100 * time.Millisecond)
	ps.Lock()
	if len(ps.subs) != 1 {
		t.Fatal("expected 1 subscriber")
	}
	ps.Unlock()
	close(doneCh2)
}

type maskString string

func (m maskString) Mask() uint64 {

    void testElapsedTime() throws InterruptedException {
        // Given
        exception = new SmbOperationException(SmbOperationException.ErrorCode.BUSY, "Server busy");

        // When
        Thread.sleep(100);

        // Then
        assertTrue(exception.getElapsedTime() >= 100);
        assertTrue(exception.getElapsedTime() < 200);
    }

    @Test

    @Test
    public void test_touch() {
        final ChatSession session = new ChatSession();
        final LocalDateTime initialTime = session.getLastAccessedAt();

        try {
            Thread.sleep(10);
        } catch (InterruptedException e) {
            // ignore
        }

        session.touch();

        mockBhv.setTestData(testData);

        relatedContentHelper.update();
        // Give a moment for async execution
        try {
            Thread.sleep(100);
        } catch (InterruptedException e) {
            // ignore
        }

        results = relatedContentHelper.getRelatedContents("test");
        assertEquals("Updated Content", results[0]);
    }

        directoryLeaseManager.updateDirectoryCache(directoryPath, files);

        assertTrue(entry.isComplete());
        assertFalse(entry.needsRefresh());

        // Wait for expiration
        Thread.sleep(100);

        assertTrue(entry.isExpired());
        assertTrue(entry.needsRefresh());

        // After expiration, cache should be treated as invalid by manager

    Interrupter(Thread threadToInterrupt) {
      this.threadToInterrupt = threadToInterrupt;
    }

    @Override
    public void run() {
      try {
        Thread.sleep(100);
      } catch (InterruptedException e) {
        throw new AssertionError();
      } finally {
        threadToInterrupt.interrupt();
      }
    }
  }

  private fun waitForConnectionShutdown(connection: RealConnection?) {
    if (connection!!.isHealthy(false)) {
      Thread.sleep(100L)
    }
    if (connection.isHealthy(false)) {
      Thread.sleep(2000L)
    }
    if (connection.isHealthy(false)) {
      throw TimeoutException("connection didn't shutdown within timeout")
    }
  }

  /**