private @NotNull List<TextRange> extractLinesRanges() {
    PsiLiteralExpression literal = ObjectUtils.tryCast(myNode.getPsi(), PsiLiteralExpression.class);
    if (literal == null || !literal.isTextBlock()) return Collections.emptyList();
    int indent = PsiLiteralUtil.getTextBlockIndent(literal);
    if (indent == -1) return Collections.emptyList();
    String text = literal.getText();

    return extractTextRangesFromLiteralText(text, indent);
  }
private @NotNull List<TextRange> extractLinesRanges()