question: protected final void merge ( @ NotNull Set < LocalResourceRepository > visited , @ NotNull ResourceType type , @ NotNull SetMultimap < String , String > seenQualifiers , @ NotNull ListMultimap < String , ResourceItem > result ) { if ( visited . contains ( this ) ) { return ; } visited . add ( this ) ; doMerge ( visited , type , seenQualifiers , result ) ; }
target:  If this repository has not already been visited, merge its items of the given type into result. 