System.Object
ArcGIS.Desktop.Framework.Contracts.PropertyChangedBase
ArcGIS.Desktop.Core.Item
ArcGIS.Desktop.Internal.Catalog.ItemInfo
ArcGIS.Desktop.GeoProcessing.GeoprocessingProjectItem
ArcGIS.Desktop.Framework.Contracts.Module
ArcGIS.Desktop.GeoProcessing.GeoprocessingModule
System.ValueType
ArcGIS.Desktop.GeoProcessing.GeoprocessingModule.DatatypeInfo