@Override
	DBRecord getRecord(long id) throws IOException {
		return conversionAdapter.getRecord(id);
	}
Set the old bookmark manager which handles read-only access
to bookmarks stored within property maps.
The old bookmark manager must be set prior to invoking any other method;
@param oldMgr old bookmark manager
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/bookmark/BookmarkDBAdapterV0.java