dFolders { get; set; }          /// <summary>         ///     <para type="description">The &quot;sourceFolderIds&quot; property, of type &quot;Edm.String&quot;.</para>         ///     <para type="description">This property is on the &quot;microsoft.graph.mailSearchFolder&quot; type.</para>         /// </summary>         [ODataType("Edm.String")]         [Selectable]         [AllowEmptyCollection]         [Parameter(ParameterSetName = @"microsoft.graph.mailSearchFolder", HelpMessage = @"The &quot;sourceFolderIds&quot; property, of type &quot;Edm.String&quot;.")]         public System.String