return delegate().awaitUntil(deadline);
  }

  @Override
  public void signal() {
    delegate().signal();
  }

  @Override
  public void signalAll() {
    delegate().signalAll();
  }

        this.source.finished = true
      }
      open = isOpen
      condition.signalAll()
    }
    if (!open) {
      connection.removeStream(id)
    }
  }

  fun receiveRstStream(errorCode: ErrorCode) {
    this.withLock {
      if (this.errorCode == null) {
        this.errorCode = errorCode
        condition.signalAll()
      }
    }
  }

  /**

                if (coordinatorTask != null) {
                  waitingCoordinatorNotified = true
                  currentTask = coordinatorTask
                  taskRunner.condition.signalAll()
                } else {
                  startNextTask()
                }
              }
            }
        }

        override fun coordinatorWait(
          taskRunner: TaskRunner,

 * eliminating explicit signaling, this class can guarantee that only one thread is awakened when a
 * condition becomes true (no "signaling storms" due to use of {@link
 * java.util.concurrent.locks.Condition#signalAll Condition.signalAll}) and that no signals are lost
 * (no "hangs" due to incorrect use of {@link java.util.concurrent.locks.Condition#signal
 * Condition.signal}).
 *

  internal fun removeStream(streamId: Int): Http2Stream? {
    this.withLock {
      val stream = streams.remove(streamId)

      // The removed stream may be blocked on a connection-wide window update.
      condition.signalAll()

      return stream
    }
  }

  internal fun updateConnectionFlowControl(read: Long) {
    this.withLock {
      readBytes.update(total = read)

      lock.lock();
      try {
        condition.signal();
      } finally {
        lock.unlock();
      }
    }

    @Override
    public void signalAll() {
      lock.lock();
      try {
        condition.signalAll();
      } finally {
        lock.unlock();
      }
    }
  }

      lock.lock();
      try {
        condition.signal();
      } finally {
        lock.unlock();
      }
    }

    @Override
    public void signalAll() {
      lock.lock();
      try {
        condition.signalAll();
      } finally {
        lock.unlock();
      }
    }
  }

          downloaded_block = true;
          block->state = FetchState::FINISHED;
        } else {
          block->state = FetchState::ERROR;
        }
        block->cond_var.SignalAll();
        return;
      case FetchState::FETCHING:
        block->cond_var.WaitWithTimeout(&block->mu, absl::Minutes(1));
        if (block->state == FetchState::FINISHED) {