parse
Parses a raw WAC-Allow header value into a WacAllow.
Returns null when headerValue is null (header absent). Unrecognised groups are ignored; the user and public groups default to empty sets when not present in the header.
Parses a raw WAC-Allow header value into a WacAllow.
Returns null when headerValue is null (header absent). Unrecognised groups are ignored; the user and public groups default to empty sets when not present in the header.