@Override
		public void dataTypeRenamed(DataTypeManager dtm, DataTypePath oldPath,
				DataTypePath newPath) {
			markStale();
		}
Returns a list of the unique Category Paths ({@link CategoryPath}) as utilized by the 
data types open in the current tool.  

@return a list of the {@link CategoryPath} associated with the data types open in the 
current tool.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/archive/DataTypeIndexer.java