summary Bin
class summaryBin(val fn: String? = null, val fnMin: String? = null, val fnMax: String? = null, val quantiles: List<Number>? = null, val bins: Int? = null, val binWidth: Number? = null, val center: Number? = null, val boundary: Number? = null, val threshold: Number? = null, val mapping: SummaryBinStatMapping.() -> Unit = {}) : StatOptions, SummaryBinStatParameters