@Override
	void addRef(Address fromAddr, Address toAddr, RefType refType, int opIndex, long symbolID,
			boolean isPrimary, SourceType source, boolean isOffset, boolean isShift,
			long offsetOrShift) throws IOException {

		appendRef(fromAddr, toAddr, opIndex, refType, source, isPrimary, symbolID, isOffset,
			isShift, offsetOrShift);
		updateRecord();
	}
Construct reference list for existing record
@param rec existing refList record
@param adapter entry record storage adapter
@param addrMap address map for encoding/decoding addresses
@param program may be null for upgrade in which 
		case resulting reference objects are not suitable for general use.
@param cache RefList object cache
@param isFrom true for from-adapter use, false for to-adapter use
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/references/RefListV0.java