threads[i].start();
            }

            // Wait for all threads to complete
            for (Thread thread : threads) {
                thread.join();
            }
        }

        // Then
        for (int i = 0; i < threadCount; i++) {
            assertTrue(results[i], "Thread " + i + " should have completed successfully");
        }
    }

    @Test

      message += "delay)";
    }
    // It's confusing to see a completed future in a timeout message; if isDone() returns false,
    // then we know it must have given a pending toString value earlier. If not, then the future
    // completed after the timeout expired, and the message might be success.
    if (isDone()) {
      throw new TimeoutException(message + " but future completed as timeout expired");
    }

        Thread.sleep(1000); // Wait before creating next index (following existing test pattern)
        suggester.createNextIndex();
        Thread.sleep(100);

        // Verify that createNextIndex completed without exceptions
        // The update alias should now point to the new index
        final String updateAlias = suggester.getIndex() + ".update";

 */
public interface NtStatus {

    /* Don't bother to edit this. Everthing within the interface
     * block is automatically generated from the ntstatus package.
     */

    /** The operation completed successfully */
    int NT_STATUS_SUCCESS = 0x00000000;
    /** The requested operation was unsuccessful */
    int NT_STATUS_UNSUCCESSFUL = 0xC0000001;
    /** The requested operation is not implemented */

        return memoryRegion;
    }

    /**
     * Check if request is completed
     *
     * @return true if completed, false otherwise
     */
    public boolean isCompleted() {
        return completed;
    }

    /**
     * Mark request as completed
     */
    public void markCompleted() {
        this.completed = true;
    }

    /**
     * Mark request as failed with error
     *

    }

    private String getStatus(long complete, long total) {
        if (total >= 1024) {
            return toKB(complete) + "/" + toKB(total) + " KB ";
        } else if (total >= 0) {
            return complete + "/" + total + " B ";
        } else if (complete >= 1024) {
            return toKB(complete) + " KB ";
        } else {
            return complete + " B ";
        }
    }

                    }
                }
            });
        }

        startLatch.countDown();
        boolean completed = endLatch.await(30, TimeUnit.SECONDS);
        assertTrue("Test should complete within timeout", completed);
        executor.shutdown();

        assertEquals(threadCount * operationsPerThread * 2, successCount.get());

          super.close();
          if (!completed) {
            completed = true;
            progressListener.update(totalBytesWritten, contentLength(), completed);
          }
        }
      };
    }
  }

  interface ProgressListener {
    void update(long bytesWritten, long contentLength, boolean done);
  }

  }

  public void complete(RuntimeException e) {
    if (!super.setException(new WrapperException(checkNotNull(e)))) {
      throw new IllegalStateException("Future was already complete: " + this);
    }
  }

  public void complete(Error e) {
    if (!super.setException(new WrapperException(checkNotNull(e)))) {
      throw new IllegalStateException("Future was already complete: " + this);
    }
  }

            if (!completed) {
              completed = true
              progressListener.update(totalBytesWritten, contentLength(), completed)
            }
          }
        }

      val bufferedSink = forwardingSink.buffer()
      delegate.writeTo(bufferedSink)
      bufferedSink.flush()
    }
  }

  fun interface ProgressListener {
    fun update(
      bytesWritten: Long,