OptionalblacklistA list of selectors which cannot be fragmented. This applies both to forced and unforced breaks.
OptionalblacklistList of rules defining styles which are not allowed to fragment
OptionalwhitelistA list of selectors which are allowed to be fragmented. This applies both to forced and unforced breaks.
If set to true, fragmentation is allowed if element does not match any selector in the blacklist. If set to false, fragmentation is only allowed it element matches any selector in the whitelist.