public static void logWarningAt(Program program, Address addr, String msg) {
		BookmarkManager bmm = program.getBookmarkManager();
		Bookmark existingBM = bmm.getBookmark(addr, BookmarkType.WARNING, "Golang");
		String existingTxt = existingBM != null ? existingBM.getComment() : "";
		if (existingTxt.contains(msg)) {
			return;
		}
		msg = !existingTxt.isEmpty() ? existingTxt + "; " + msg : msg;
		bmm.setBookmark(addr, BookmarkType.WARNING, "Golang", msg);
	}
Creates a reference from the specified field to the specified address.

@param fieldContext field, is the source of the reference
@param refDest destination address of the reference
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/structmapping/MarkupSession.java