private static Map<Integer, DWARFForm> buildLookupmap() {
		Map<Integer, DWARFForm> result = new HashMap<>();
		for (DWARFForm form : DWARFForm.values()) {
			result.put(form.getId(), form);
		}
		return result;

	}
Find the form value given raw int.

@param key value to check
@return DWARFForm enum, or null if it is an unknown form
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/attribs/DWARFForm.java