labels.facet_filetype_ogg=Audio OGG
labels.facet_filetype_wav=Audio WAV
labels.facet_filetype_webp=Audio WebP
labels.facet_filetype_aif=Audio AIF
labels.facet_filetype_midi=Audio MIDI
labels.facet_filetype_mpga=Audio MPGA
labels.facet_filetype_mp4a=Audio MP4A
labels.facet_filetype_oga=Audio OGA
labels.facet_filetype_wepb=Obraz WEBP
labels.facet_filetype_bmp=Obraz BMP
labels.facet_filetype_ico=Obraz ICO

labels.facet_filetype_ogg=OGG Audio
labels.facet_filetype_wav=WAV Audio
labels.facet_filetype_webp=WebP Audio
labels.facet_filetype_aif=AIF Audio
labels.facet_filetype_midi=MIDI Audio
labels.facet_filetype_mpga=MPGA Audio
labels.facet_filetype_mp4a=MP4A Audio
labels.facet_filetype_oga=OGA Audio
labels.facet_filetype_wepb=WEBP Image
labels.facet_filetype_bmp=BMP Image
labels.facet_filetype_ico=ICO Image

     *
     * - a `getFooOrDefault(@Nullable Foo defaultValue)` method that returns
     *   `map.getOrDefault(FOO_KEY, defaultValue)`
     *
     * - a call that consults a chain of maps, as in `mapA.getOrDefault(key, mapB.getOrDefault(key,
     *   ...))`
     *
     * So it makes sense for the parameter (and thus the return type) to be @Nullable.
     *
     * Two other points:
     *