These options will be used on objects of class 'FacetNull'.
opts_FacetNull(constructor = c("facet_null", "next"), ...)An object of class <constructive_options/constructive_options_FacetNull>
Depending on constructor, we construct the object as follows:
"facet_null" (default): We build the object using ggplot2::facet_null().
"next" : Use the constructor for the next supported class.