using System.Diagnostics.CodeAnalysis;
 
namespace System.ComponentModel.DataAnnotations.Schema {
    /// <summary>
    /// Denotes that the class is a complex type.
    /// Complex types are non-scalar properties of entity types that enable scalar properties to be organized within entities. 
    /// Complex types do not have keys and cannot be managed by the Entity Framework apart from the parent object.
    /// </summary>
    [AttributeUsage(AttributeTargets.Class, AllowMultiple = false)]
    [SuppressMessage("Microsoft.Performance", "CA1813:AvoidUnsealedAttributes", Justification = "We want users to be able to extend this class")]
    public class ComplexTypeAttribute : Attribute {
    }
}