setTokens method
ℹ️ configure available tokens on your POS app
Implementation
@override
void setTokens({required List<PosToken> tokens}) {
  if (tokens.isEmpty) {
    throw Errors.getSdkError(
      Errors.MISSING_OR_INVALID,
      context: 'No tokens provided',
    ).toSignError();
  }
  _reOwnCore!.logger.d('[$runtimeType] setTokens: $tokens');
  _configuredTokens
    ..clear()
    ..addAll(tokens);
  _configurePosNamespaces();
}