public @Nullable TerminalLineIntervalHighlighting highlightLineInterval(int lineNumber, int intervalStartOffset, int intervalLength,
                                                                          @NotNull TextStyle style) {
    TerminalLine line = getTerminalTextBuffer().getLine(lineNumber);
    TerminalLineIntervalHighlighting highlighting = line.addCustomHighlighting(intervalStartOffset, intervalLength, style);
    getTerminalPanel().repaint();
    return highlighting;
  }
public @Nullable TerminalLineIntervalHighlighting highlightLineInterval(int lineNumber, int intervalStartOffset, int intervalLength,
                                                                          @NotNull TextStyle style)