@Override
	public String getName() {
		if (name == null) {
			Address toAddress = reference.getToAddress();
			SymbolTable symbolTable = program.getSymbolTable();
			Symbol symbol = symbolTable.getPrimarySymbol(toAddress);
			if (symbol != null) {
				name = symbol.getName();
			}
			else {
				name = toAddress.toString();
			}
		}
		return name;
	}
Name of the symbol associated with the to address or the to address as a string 
in cases where there is no symbol.
Ghidra/Features/DecompilerDependent/src/main/java/ghidra/app/plugin/core/decompiler/taint/slicetree/LeafSliceNode.java