@Override
	public void close() {
		if (!service.isShutdown())
			service.shutdownNow();
	}
@param paragraph
		Paragraph index, which is {@code line - 1}.

@return {@code true} when the line belongs to the {@link #getRange() selected bracket pair range}.
recaf-ui/src/main/java/software/coley/recaf/ui/control/richtext/bracket/SelectedBracketTracking.java