namespace System.Configuration
{
    [ConfigurationCollection(typeof(SchemeSettingElement), AddItemName = "add", ClearItemsName = "clear", CollectionType = ConfigurationElementCollectionType.AddRemoveClearMap, RemoveItemName = "remove")]
    [DefaultMember("Item")]
    public sealed class SchemeSettingElementCollection : ConfigurationElementCollection
    {
        public SchemeSettingElement this[int index] { get; }
    }
}