namespace System.Data
{
    [DefaultEvent("CollectionChanged")]
    [DefaultMember("Item")]
    [Editor("Microsoft.VSDesigner.Data.Design.TablesCollectionEditor, Microsoft.VSDesigner, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a", "System.Drawing.Design.UITypeEditor, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
    [ListBindable(false)]
    public sealed class DataTableCollection : InternalDataCollectionBase
    {
        public int IndexOf(string! tableName, string! tableNamespace);
    }
}