export declare enum ProductIdentifierType {
    Proprietary,
    Isbn_10,
    Gtin_13,
    Upc,
    Ismn_10,
    Doi,
    Lccn,
    Gtin_14,
    Isbn_13,
    LegalDepositNumber,
    Urn,
    OclcNumber,
    CoPublisherIsbn_13,
    Ismn_13,
    IsbnA,
    JpECode,
    OlccNumber,
    JpMagazineId,
    Upc12_5,
    BnfControlNumber,
    Ark
}