@Override
	public ProgramLocation getLocation() {
		return new ProgramLocation(program, reference.getToAddress());
	}
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