Create a new NullLegend object.
Value
A NullLegend object.
Examples
# create new object
l <- new_null_legend()
# print object
print(l)
#> <NullLegend>
#>   Public:
#>     clone: function (deep = FALSE) 
#>     export: function () 
#>     get_widget_data: function () 
#>     initialize: function ()