Progress.Json.ObjectModel.JsonDataType class Indicates the data type of a value in the JSON string. This class is returned by the GetType( ) method on a JsonObject or JsonArray. Constructor This class contains only a private constructor; you cannot instantiate it directly. Super Class Progress.Lang.Object class Interfaces This class does not implement an interface. PublicProperties Array property String property Number property Boolean property Object property Null property PublicMethods This class does not define methods. Public Events This class does not contain events.