ContainerChangeset<java.lang.String> | 
IAddressBook.sync(java.lang.Long since,
    VCardChanges changes)
CLIENT_WIN style 
 | 
java.util.concurrent.CompletableFuture<ContainerChangeset<java.lang.String>> | 
IAddressBookPromise.sync(java.lang.Long since,
    VCardChanges changes)  | 
void | 
IAddressBookAsync.sync(java.lang.Long since,
    VCardChanges changes,
    AsyncHandler<ContainerChangeset<java.lang.String>> handler)  | 
ContainerUpdatesResult | 
IAddressBook.updates(VCardChanges changes)
Updates multiples entries at once (should be transactional: if one
 operation fail, nothing is written) 
 | 
java.util.concurrent.CompletableFuture<ContainerUpdatesResult> | 
IAddressBookPromise.updates(VCardChanges changes)  | 
void | 
IAddressBookAsync.updates(VCardChanges changes,
       AsyncHandler<ContainerUpdatesResult> handler)  |