createAll static method
Creates multiple contacts in a single batch operation.
contacts - Contacts to create.
account - Optional account. If null, uses the default account.
Returns a list of system-generated IDs in the same order as input.
The contact's id and displayName are system-generated and will be
ignored if provided.
Implementation
static Future<List<String>> createAll(
List<Contact> contacts, {
Account? account,
}) => _crud.createAll(contacts, account: account);