PinChange class abstract

The object that can be used to change the PIN.

Usage example:

  class PinChangerImpl implements PinChanger {
    @override
    void changePin(PinChangeContext context, PinChangeHandler handler) {
      handler.pins(oldPin, newPin);
    }
  }

  [...]
  Future<void> changePin({
    required MobileAuthenticationClient client,
    required String username,
  }) async {
    await client.operations.pinChange
      .username(username)
      .pinChanger(PinChangerImpl(...))
      .onSuccess(() {
        // handle success
      })
      .onError((error) {
        // handle error
      })
      .execute();
  }
  [...]