@Override
	public void writeDown(PcodeTraceDataAccess into) {
		piece.writeDown(into);
	}
A trace-bound state composed of another trace-bound state and a piece

@param <L> the type of values for the left state
@param <R> the type of values for the right piece
@see PairedPcodeExecutorState
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/pcode/exec/trace/PairedTracePcodeExecutorState.java