- DOCUMENT@0..29
    - INTERFACE_TYPE_DEFINITION@0..29
        - interface_KW@0..9 "interface"
        - WHITESPACE@9..10 " "
        - NAME@10..16
            - IDENT@10..16 "Person"
        - WHITESPACE@16..17 " "
        - FIELDS_DEFINITION@17..29
            - L_CURLY@17..18 "{"
            - WHITESPACE@18..19 " "
            - FIELD_DEFINITION@19..29
                - NAME@19..21
                    - IDENT@19..21 "id"
                - COLON@21..22 ":"
                - WHITESPACE@22..23 " "
                - NAMED_TYPE@23..29
                    - NAME@23..29
                        - IDENT@23..29 "String"
- ERROR@29:29 "expected R_CURLY, got EOF" EOF
recursion limit: 500, high: 0