fun initializeWith(queryView: QueryView): QueryExtractor {
            vanillaProjection = queryView.fieldsProjection.map {
                toVanillaFieldName(it)
            }.toTypedArray()
        }

        fun getUri(): Uri? = uriFactory[queryView.contentType.toString()]

        fun toVanillaFieldName(fieldName: FieldName) = when(fieldName) {
            FieldName.DATA -> MediaStore.Audio.Media.DATA
            FieldName.ALBUM -> MediaStore.Audio.Albums.ALBUM
            FieldName.ALBUM_ART -> MediaStore.Audio.Albums.ALBUM_ART
            FieldName.ALBUM_ID -> MediaStore.Audio.Albums.ALBUM_ID
            FieldName.ALBUM_KEY -> MediaStore.Audio.Albums.ALBUM_KEY
            FieldName.NUMBER_OF_SONGS -> MediaStore.Audio.Albums.NUMBER_OF_SONGS
            FieldName.ARTIST -> MediaStore.Audio.Albums.ARTIST
            FieldName.ARTIST_ID -> MediaStore.Audio.Albums.ALBUM_ID
            FieldName.ARTIST_KEY -> MediaStore.Audio.Albums.ALBUM_KEY
            FieldName.NUMBER_OF_ALBUMS -> MediaStore.Audio.Artists.NUMBER_OF_ALBUMS
            FieldName.NUMBER_OF_TRACKS -> MediaStore.Audio.Artists.NUMBER_OF_TRACKS
            FieldName.BOOKMARK -> MediaStore.Audio.Media.BOOKMARK
            FieldName.DURATION -> MediaStore.Audio.Media.DURATION
            FieldName.TRACK -> MediaStore.Audio.Media.TRACK
            FieldName.TITLE_KEY -> MediaStore.Audio.Media.TITLE_KEY
            FieldName.TITLE -> MediaStore.Audio.Media.TITLE
            FieldName.MIME_TYPE -> MediaStore.Audio.Media.MIME_TYPE
        }