@Nullable
    protected String getNextChange() {
      Integer nextOldLine = getLineEntry();
      if (nextOldLine != null) {
        final LineData lineData = getLineData(nextOldLine);
        if (lineData != null) {
          return switch (lineData.getStatus()) {
            case LineCoverage.NONE -> CoverageBundle.message("coverage.next.change.uncovered");
            case LineCoverage.PARTIAL -> CoverageBundle.message("coverage.next.change.partial.covered");
            case LineCoverage.FULL -> CoverageBundle.message("coverage.next.change.fully.covered");
            default -> null;
          };
        }
      }
      return null;
    }
@Nullable
    protected String getNextChange()