/// <summary>
/// Gets a collection of <see cref="IServiceDescriptor"/> identifying and
/// describing the service dependencies of a given service or installer type.
/// </summary>
/// <param name="type">A type of service of installer.</param>
/// <returns>
/// A collection of services that the given type depends upon.
/// </returns>
public static IEnumerable <IServiceDescriptor> ForDependenciesOf(Type type)
{
return(TypeMeta.GetAnnotatedDependencies(type)
.Select(dependencyType => For(dependencyType)));
}