- DOCUMENT@0..54
    - UNION_TYPE_EXTENSION@0..54
        - extend_KW@0..6 "extend"
        - WHITESPACE@6..7 " "
        - union_KW@7..12 "union"
        - WHITESPACE@12..13 " "
        - NAME@13..26
            - IDENT@13..25 "SearchResult"
            - WHITESPACE@25..26 " "
        - DIRECTIVES@26..38
            - DIRECTIVE@26..38
                - AT@26..27 "@"
                - NAME@27..38
                    - IDENT@27..37 "deprecated"
                    - WHITESPACE@37..38 " "
        - UNION_MEMBER_TYPES@38..54
            - EQ@38..39 "="
            - WHITESPACE@39..40 " "
            - NAMED_TYPE@40..46
                - NAME@40..46
                    - IDENT@40..45 "Photo"
                    - WHITESPACE@45..46 " "
            - PIPE@46..47 "|"
            - WHITESPACE@47..48 " "
            - NAMED_TYPE@48..54
                - NAME@48..54
                    - IDENT@48..54 "Person"
