namespace Microsoft.UI.Xaml.Controls
{
    [ContractVersion(typeof(WinUIContract), 65536U)]
    [DefaultMember("ListItem")]
    [ProjectedRuntimeClass(typeof(IList<ColumnDefinition>))]
    [WindowsRuntimeHelperType(typeof(ColumnDefinitionCollection))]
    [WindowsRuntimeType("Microsoft.UI.Xaml")]
    public sealed class ColumnDefinitionCollection : ICollection<ColumnDefinition>, IEnumerable<ColumnDefinition>, IList<ColumnDefinition>, IEnumerable, IEquatable<ColumnDefinitionCollection>, ICustomQueryInterface, IDynamicInterfaceCastable, IWinRTObject
    {
        public static ColumnDefinitionCollection FromAbi(IntPtr thisPtr);
    }
}