GetJsonObject() is not referenced as a method of Progress.Json.ObjectModel.JsonObject class definition

GetJsonObject() is referenced as a method of JsonObject class as per the documentation:

OpenEdge® Development: ABL Reference
Class Properties and Methods Reference : GetJsonObject( ) method (JsonObject)

but not in the JsonObject class definition, as per this part of the documentation:

OpenEdge® Development: ABL Reference
Class and Interface Reference : Progress.Json.ObjectModel.JsonObject class 

This is a known documentation issue

None at this time.

However, it is confirmed that GetJsonObject() is indeed a valid method of JsonObject class, and the method does have it's own reference entry

References to Documentation: 

OpenEdge® Development: ABL Reference
Class Properties and Methods Reference : GetJsonObject( ) method (JsonObject)​
http://documentation.progress.com/output/OpenEdge114/openedge114/#page/dvref/OpenEdge.116.html

OpenEdge® Development: ABL Reference
Class and Interface Reference : Progress.Json.ObjectModel.JsonObject class 
http://documentation.progress.com/output/OpenEdge114/openedge114/#page/dvref/OpenEdge_10.35.html#