GridLineOptions(display: Boolean = true, color: Color? = null, borderDash: List<Int>? = null, borderDashOffset: Int = 0, lineWidth: Int = 1, drawBorder: Boolean = true, drawOnChartArea: Boolean = true, drawTicks: Boolean = true, tickMarkLength: Int = 10, zeroLineWidth: Int = 1, zeroLineColor: Color? = null, zeroLineBorderDash: List<Int>? = null, zeroLineBorderDashOffset: Int = 0, offsetGridLines: Boolean = false)
Chart grid line options.