@Nullable
    protected static PsiElement firstNonWhiteSibling(@NotNull LineRange lineRange, boolean down) {
        return firstNonWhiteElement(down ? lineRange.lastElement.getNextSibling() : lineRange.firstElement.getPrevSibling(), down);
    }
@Nullable
    protected static PsiElement firstNonWhiteSibling(@NotNull LineRange lineRange, boolean down)