An object containing information on offline resources typically associated with a custom style for an ArcGISVectorTiledLayer. An object containing information about resources associated with an ArcGISVectorTiledLayer. For example, a vector tile layer has style resources such as fonts, sprites, etc.
The LocalItem containing the ItemResourceCache's thumbnail and metadata. This property can be null if the LocalItem is not present within the ItemResourceCache directory. If the ItemResourceCache was taken offline using ExportVectorTilesTask or OfflineMapTask the LocalItem will be populated from the online PortalItem. If the ItemResourceCache was created inside a MobileMapPackage authored from ArcGIS Pro then this property will return null.