presto-kudu/src/main/java/io/prestosql/plugin/kudu/properties/KuduTableProperties.java/KuduTableProperties/toByteArray
class KuduTableProperties:    private static byte[] toByteArray(Object obj, Type type, String name)
    {
        if (obj instanceof byte[]) {
            return (byte[]) obj;
        }
        else if (obj instanceof String) {
            return Base64.getDecoder().decode((String) obj);
        }
        else {
            handleInvalidValue(name, type, obj);
            return null;
        }
    }