@Nullable
  @Override
  public Color getBgColor(int line, Editor editor) {
    if (myColorScheme == null) return null;
    ColorMode type = ShowAnnotationColorsAction.getType();
    Map<VcsRevisionNumber, Color> colorMap = type == ColorMode.AUTHOR ? myColorScheme.second : myColorScheme.first;
    if (colorMap == null || type == ColorMode.NONE) return null;
    final VcsRevisionNumber number = myAnnotation.getLineRevisionNumber(line);
    if (number == null) return null;
    return colorMap.get(number);
  }
@Nullable
  @Override
  public Color getBgColor(int line, Editor editor)