Adding documentation for `\util\collection\Filters`.
Adding documentation for `\util\collection\Filters`.

UnionOfRAD/framework,jails/lithium,UnionOfRAD/lithium,pixelcog/lithium,graphis/lithium,m4rcsch/lithium-core-library,m4rcsch/lithium-core-library,qoqa/lithium,whowgames/lithium,SensCritique/lithium,davidpersson/lithium,jails/lithium,UnionOfRAD/lithium,whowgames/lithium,datachand/lithium,muyehub/lithium,wbeater/lithium,datachand/lithium,graphis/lithium,muyehub/lithium,wbeater/lithium,qoqa/lithium,mehlah/lithium,mehlah/lithium,SensCritique/lithium,pixelcog/lithium,davidpersson/lithium,m4rcsch/li3_framework