private void setRemoveTrailingBlankLines(@Nullable Boolean removeTrailingBlankLines) {
      if (removeTrailingBlankLines != null && myRemoveTrailingBlankLines == null) {
        myRemoveTrailingBlankLines = removeTrailingBlankLines;
      }
    }
private void setRemoveTrailingBlankLines(@Nullable Boolean removeTrailingBlankLines)