private long getMask(AbstractEnumMsType type) {
		switch (getLength(type)) {
			case 1:
				return 0xffL;
			case 2:
				return 0xffffL;
			case 4:
				return 0xffffffffL;
			default:
				return 0xffffffffffffffffL;
		}
	}
Constructor for enum type applier, for transforming a enum into a Ghidra DataType
@param applicator {@link DefaultPdbApplicator} for which this class is working
Ghidra/Features/PDB/src/main/java/ghidra/app/util/pdb/pdbapplicator/EnumTypeApplier.java