private String toString(Varnode varnode) {
		if (varnode == null) {
			return "@null";
		}
		if (varnode.isRegister()) {
			return language.getRegister(varnode.getAddress(), varnode.getSize()).getName();
		}
		return varnode.toString();
	}
Obtain a specific CompilerSpec given a language id
@param langId is the 5 long colon separated language id
Ghidra/Test/IntegrationTest/src/test.slow/java/ghidra/program/model/lang/AbstractProtoModelTest.java