LineOptions(cubicInterpolationMode: InterpolationMode = InterpolationMode.DEFAULT, tension: Double = 0.2, backgroundColor: Color? = null, borderWidth: Int = 1, borderColor: Color? = null, borderCapStyle: LineCap? = null, borderDash: List<Any>? = null, borderDashOffset: Int = 0, borderJoinStyle: LineJoin? = null, capBezierPoints: Boolean = true, fill: Boolean = true, stepped: Boolean = false)
Chart line options.