int pos = stream.readInt();
LeftTuple leftTuple = context.terminalTupleMap.get( pos );
int salience = stream.readInt();
String pkgName = stream.readUTF();
String ruleName = stream.readUTF();
Package pkg = ruleBase.getPackage( pkgName );
Rule rule = pkg.getRule( ruleName );
RuleTerminalNode ruleTerminalNode = (RuleTerminalNode) leftTuple.getLeftTupleSink();