"GTIN-12"
"GTIN-13"
"GTIN-14"
"PartNumber"
"ISBN"
"UPC"
"EAN-13"
"BarCodeType": { "type": "string", "enum": [ "GTIN-12", "GTIN-13", "GTIN-14", "PartNumber", "ISBN", "UPC", "EAN-13" ] }