convert_classname_to_name = {
    'portablecontacts:contactemail': 'emails',
    'portablecontacts:contacturl': 'urls',
    'portablecontacts:contactphonenumber': 'phoneNumbers',
    'portablecontacts:contactim': 'ims',
    'portablecontacts:contactphoto': 'photos',
    'portablecontacts:contacttag': 'tags',
    'portablecontacts:contactrelationship': 'relationships',
    'portablecontacts:contactaddress': 'addresses',
    'portablecontacts:contactorganization': 'organizations',
    'portablecontacts:contactaccount': 'accounts',
}