@Nullable
    private static TextBlockModel create(@NotNull String text, int indent) {
      if (text.length() < 7 || !text.startsWith("\"\"\"") || !text.endsWith("\"\"\"")) return null;
      int startPrefixLength = findStartPrefixLength(text);
      if (startPrefixLength == -1) return null;
      String[] lines = text.substring(startPrefixLength, text.length() - 3).split("\n", -1);
      return new TextBlockModel(lines, indent, startPrefixLength);
    }
@Nullable
    private static TextBlockModel create(@NotNull String text, int indent)