question: sub-classes can use this method to look up a mediatype by key . concode_field_sep MultiValueMap<MediaType,String> keyLookup concode_elem_sep ConcurrentMap<String,MediaType> mediaTypeLookup concode_field_sep Set<String> getKeysFor concode_elem_sep void handleMatch concode_elem_sep MediaType handleNoMatch concode_elem_sep String extractKey concode_elem_sep List<MediaType> resolveMediaTypes concode_elem_sep List<MediaType> resolveMediaTypes concode_elem_sep Set<String> getKeys concode_elem_sep List<MediaType> getMediaTypes
target: MediaType function ( String arg0 ) { return this . mediaTypeLookup . get ( arg0 . toLowerCase ( Locale . ENGLISH ) ) ; }