@NotNull
  @Override
  public BuildProgress<BuildProgressDescriptor> startChildProgress(@NotNull String title) {
    BuildDescriptor buildDescriptor = myDescriptor.getBuildDescriptor();
    return new BuildProgressImpl(myListener, this).start(new BuildProgressDescriptor() {

      @NotNull
      @Override
      public String getTitle() {
        return title;
      }

      @Override
      public @NotNull BuildDescriptor getBuildDescriptor() {
        return buildDescriptor;
      }
    });
  }
@NotNull
  @Override
  public BuildProgress<BuildProgressDescriptor> startChildProgress(@NotNull String title)