@Override
	public final long getValue(Varnode vn) {
		Address addr = vn.getAddress();
		return getValue(addr.getAddressSpace(), addr.getOffset(), vn.getSize());
	}
A convenience method for reading a value directly from a varnode rather than querying for the
offset and space

@param vn the varnode location to be read
@return the value read from the varnode location
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/memstate/AbstractMemoryState.java