presto-main/src/main/java/io/prestosql/sql/gen/ParameterAndType.java/ParameterAndType/ParameterAndType
class ParameterAndType:    public ParameterAndType(Parameter parameter, Class<?> type)
    {
        this.parameter = requireNonNull(parameter, "parameter is null");
        this.type = requireNonNull(type, "type is null");
    }