-#' @description Return 0 (and then adjust). Inherits \code{\link{Forecaster}}
-ZeroForecaster = setRefClass(
- Class = "ZeroForecaster",
- contains = "Forecaster",
+#' @usage # ZeroForecaster$new(pjump)
+#'
+#' @docType class
+#' @format R6 class, inherits Forecaster
+#' @aliases F_Zero
+#'
+ZeroForecaster = R6::R6Class("ZeroForecaster",
+ inherit = Forecaster,