- DOCUMENT@0..62
    - OBJECT_TYPE_EXTENSION@0..62
        - extend_KW@0..6 "extend"
        - WHITESPACE@6..7 " "
        - type_KW@7..11 "type"
        - WHITESPACE@11..12 " "
        - FIELDS_DEFINITION@12..62
            - L_CURLY@12..13 "{"
            - WHITESPACE@13..18 "\n    "
            - FIELD_DEFINITION@18..35
                - NAME@18..22
                    - IDENT@18..22 "name"
                - COLON@22..23 ":"
                - WHITESPACE@23..24 " "
                - NAMED_TYPE@24..30
                    - NAME@24..30
                        - IDENT@24..30 "String"
                - WHITESPACE@30..35 "\n    "
            - FIELD_DEFINITION@35..48
                - NAME@35..38
                    - IDENT@35..38 "age"
                - COLON@38..39 ":"
                - WHITESPACE@39..40 " "
                - NAMED_TYPE@40..43
                    - NAME@40..43
                        - IDENT@40..43 "Int"
                - WHITESPACE@43..48 "\n    "
            - FIELD_DEFINITION@48..61
                - NAME@48..55
                    - IDENT@48..55 "picture"
                - COLON@55..56 ":"
                - WHITESPACE@56..57 " "
                - NAMED_TYPE@57..60
                    - NAME@57..60
                        - IDENT@57..60 "Url"
                - WHITESPACE@60..61 "\n"
            - R_CURLY@61..62 "}"
- ERROR@12:13 "expected a Name" {
