Decode decodes a UUID.

"{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}".

"xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx".

Firefox is an ID or UUID and is used by Firefox addons.

Format is a UUID formatting style.

UUID is a UUID that is formatted as "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" or "{xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}".