default void additionalMarkup(MarkupSession session) throws IOException, CancelledException {
		// empty
	}
Called to allow the implementor to perform custom markup of itself.

@param session state and methods to assist marking up the program
@throws IOException if error during markup
@throws CancelledException if cancelled
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/structmapping/StructureMarkup.java