/// <inheritdoc />
public async IAsyncEnumerable <FeatureDefinition> GetAllFeatureDefinitionsAsync(
[EnumeratorCancellation] CancellationToken cancellationToken = default)
{
IFeatureManagementAppTierAPI featureApi = CreateFeatureManagementApi();
IList <Feature> features = await featureApi.GetAllFeaturesAsync(cancellationToken).ConfigureAwait(false);
foreach (Feature feature in features)
{
yield return(_definitions.GetOrAdd(feature.Name, _ => ReadFeatureDefinition(feature)));
}
}