[ CCode ( cname = "nma_mobile_providers_database_new" , has_construct_function = false ) ]
public async MobileProvidersDatabase (string? country_codes, string? service_providers, Cancellable? cancellable) throws Error
| country_codes |
Path to the country codes file. |
| service_providers |
Path to the service providers file. |
| cancellable |
A Cancellable or null. |
| callback |
A TaskReadyCallback to call when the request is satisfied. |
| user_data |
User data to pass to |