/// <summary>
/// Finds the classes with attribute.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="typeFinder"></param>
/// <param name="assemblies">The assemblies.</param>
/// <param name="onlyConcreteClasses">if set to <c>true</c> only concrete classes.</param>
/// <returns></returns>
public static IEnumerable <Type> FindClassesWithAttribute <T>(this ITypeFinder typeFinder, IEnumerable <Assembly> assemblies = null, bool onlyConcreteClasses = true)
where T : Attribute
=> typeFinder.FindClassesWithAttribute(typeof(T), assemblies, onlyConcreteClasses);
