createBannerPlacement method
Implementation
Future<void> createBannerPlacement(BannerPlacement placement) {
  throw UnimplementedError(
      'createBannerPlacement() has not been implemented.');
}Future<void> createBannerPlacement(BannerPlacement placement) {
  throw UnimplementedError(
      'createBannerPlacement() has not been implemented.');
}