public static DWARFForm of(int key) {
		return lookupMap.get(key);
	}
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