private VariableStorage findJoinStorage(long offset) {
		if (joinToStorage == null) {
			return null;
		}
		return joinToStorage.get(Integer.valueOf((int) offset));
	}
Varnodes and PcodeOps in a coherent graph structure
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/pcode/PcodeSyntaxTree.java