presto-main/src/main/java/io/prestosql/operator/scalar/annotations/ParametricScalarImplementation.java/ParametricScalarImplementation/build
class ParametricScalarImplementation:        public ParametricScalarImplementation build()
        {
            choices.sort(ParametricScalarImplementationChoice::compareTo);
            return new ParametricScalarImplementation(signature, argumentNativeContainerTypes, specializedTypeParameters, choices, returnNativeContainerType);
        }