This function returns a "official" string representation of the object, which may be used to reconstruct the object given an appropriate environment.
Examples
BASE$..repr..()
#> [1] "NULL"
test <- base_()
test$..repr..()
#> [1] "base_()"
test <- BASE$instantiate()
test$..repr..()
#> [1] "BASE$instantiate()"
test <- BASE$..new..()
test$..repr..()
#> [1] "BASE$..new..()"