question: a value to be added to the referrer url when a person follows a link from this shared content on feed . concode_field_sep Uri contentUrl concode_elem_sep String ref concode_elem_sep List<String> peopleIds concode_elem_sep String placeId concode_field_sep List<String> readUnmodifiableStringList concode_elem_sep E setContentUrl concode_elem_sep E setRef concode_elem_sep E readFrom concode_elem_sep Uri getContentUrl concode_elem_sep E setPlaceId concode_elem_sep List<String> getPeopleIds concode_elem_sep String getPlaceId concode_elem_sep E setPeopleIds concode_elem_sep int describeContents concode_elem_sep void writeToParcel
target: String function ( ) { return this . ref ; }