namespace System.Data
{
    [DefaultEvent("CollectionChanged")]
    [DefaultMember("Item")]
    [Editor("Microsoft.VSDesigner.Data.Design.ConstraintsCollectionEditor, Microsoft.VSDesigner, Version=7.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", typeof(?))]
    public class ConstraintCollection : InternalDataCollectionBase
    {
        protected virtual void OnCollectionChanged(CollectionChangeEventArgs ccevent);
    }
}