use tmflib::tmf620::product_specification::{
ProductSpecification, ProductSpecificationCharacteristic,
};
fn main() {
let char1 = ProductSpecificationCharacteristic::new("OptionalChar")
.description(String::from("This characteristic is optional."));
let char2 = ProductSpecificationCharacteristic::new("MandatoryChar")
.cardinality(1, 1)
.description(String::from("This is a mandatory characteristic."));
let spec = ProductSpecification::new("MySpecification")
.with_charateristic(char1)
.with_charateristic(char2);
dbg!(spec);
}