addons/koji/common/src/main/java/org/commonjava/indy/koji/content/IndyKojiContentProvider.java
public Set<String> getCacheNames()
    {
        Set<String> ret = new HashSet<>();
        if ( kojiConfig.isEnabled() && kojiConfig.isQueryCacheEnabled() )
        {
            ret.add( KOJI_TAGS );
            ret.add( KOJI_BUILD_INFO );
            ret.add( KOJI_BUILD_INFO_CONTAINING_ARTIFACT );
            ret.add( KOJI_ARCHIVES_FOR_BUILD );
            ret.add( KOJI_ARCHIVES_MATCHING_GA );
        }
        return ret;
    }
public Set<String> getCacheNames()
    {
        Set<String> ret = new HashSet<>();
        if ( kojiConfig.isEnabled() && kojiConfig.isQueryCacheEnabled() )
        {
            ret.add( KOJI_TAGS );
            ret.add( KOJI_BUILD_INFO );
            ret.add( KOJI_BUILD_INFO_CONTAINING_ARTIFACT );
            ret.add( KOJI_ARCHIVES_FOR_BUILD );
            ret.add( KOJI_ARCHIVES_MATCHING_GA );
        }
        return ret;
    }
This is to register ISPN caches produced by this provider so that the Metrics knows them.