#!/usr/bin/env perl
use strict;
use warnings;
use Data::Printer;
use MARC::Convert::Wikidata::Object::PublicationDate;
my $obj = MARC::Convert::Wikidata::Object::PublicationDate->new(
        'earliest_date' => '2014',
        'latest_date' => '2020',
);
p $obj;
# Output:
# MARC::Convert::Wikidata::Object::PublicationDate  {
#     parents: Mo::Object
#     public methods (5):
#         BUILD
#         Error::Pure:
#             err
#         Mo::utils:
#             check_bool, check_strings
#         Readonly:
#             Readonly
#     private methods (1): _check_conflict
#     internals: {
#         earliest_date   2014,
#         latest_date     2020
#     }
# }