These options will be used on objects of class 'S7_property'.
opts_S7_property(constructor = c("new_property", "next"), ...)An object of class <constructive_options/constructive_options_S7_property>
String. Name of the function used to construct the object.
Additional options used by user defined constructors through the opts object
Depending on constructor, we construct the object as follows:
"new_property" (default): We build the object using S7::new_property().
"next" : Use the constructor for the next supported class.