public Address getMinAddress() {
		if (varnodes == null || varnodes.length == 0) {
			return null;
		}
		return varnodes[0].getAddress();
	}
@return the minimum address corresponding to the first varnode of this storage
or null if this is a special empty storage: {@link #isBadStorage()}, {@link #isUnassignedStorage()},
{@link #isVoidStorage()}
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/listing/VariableStorage.java