* invoked immediately. Instead, it will be deferred until after the service is {@link
   * State#RUNNING}. Services that need to cancel startup work can override {@link #doCancelStart}.
   */
  @ForOverride
  protected abstract void doStop();

  /**
   * This method is called by {@link #stopAsync} when the service is still starting (i.e. {@link

    Service a =
        new AbstractService() {
          @Override
          protected void doStart() {
            // Never starts!
          }

          @Override
          protected void doCancelStart() {
            assertThat(state()).isEqualTo(Service.State.STOPPING);
            notifyStopped();
          }

          @Override
          protected void doStop() {

    Service a =
        new AbstractService() {
          @Override
          protected void doStart() {
            // Never starts!
          }

          @Override
          protected void doCancelStart() {
            assertThat(state()).isEqualTo(Service.State.STOPPING);
            notifyStopped();
          }

          @Override
          protected void doStop() {