- DOCUMENT@0..179
    - WHITESPACE@0..1 "\n"
    - OPERATION_DEFINITION@1..179
        - SELECTION_SET@1..179
            - L_CURLY@1..2 "{"
            - WHITESPACE@2..7 "\n    "
            - FIELD@7..163
                - NAME@7..10
                    - IDENT@7..10 "pet"
                - WHITESPACE@10..11 " "
                - SELECTION_SET@11..163
                    - L_CURLY@11..12 "{"
                    - WHITESPACE@12..21 "\n        "
                    - FIELD@21..25
                        - NAME@21..25
                            - IDENT@21..25 "name"
                    - WHITESPACE@25..34 "\n        "
                    - FIELD@34..88
                        - NAME@34..42
                            - IDENT@34..42 "birthday"
                        - WHITESPACE@42..43 " "
                        - SELECTION_SET@43..88
                            - L_CURLY@43..44 "{"
                            - WHITESPACE@44..57 "\n            "
                            - FIELD@57..62
                                - NAME@57..62
                                    - IDENT@57..62 "month"
                            - WHITESPACE@62..75 "\n            "
                            - FIELD@75..78
                                - NAME@75..78
                                    - IDENT@75..78 "day"
                            - WHITESPACE@78..87 "\n        "
                            - R_CURLY@87..88 "}"
                    - WHITESPACE@88..97 "\n        "
                    - FIELD@97..157
                        - NAME@97..106
                            - IDENT@97..106 "playmates"
                        - WHITESPACE@106..107 " "
                        - SELECTION_SET@107..157
                            - L_CURLY@107..108 "{"
                            - WHITESPACE@108..121 "\n            "
                            - FIELD@121..125
                                - NAME@121..125
                                    - IDENT@121..125 "name"
                            - WHITESPACE@125..138 "\n            "
                            - FIELD@138..147
                                - NAME@138..147
                                    - IDENT@138..147 "faveSnack"
                            - WHITESPACE@147..156 "\n        "
                            - R_CURLY@156..157 "}"
                    - WHITESPACE@157..162 "\n    "
                    - R_CURLY@162..163 "}"
            - WHITESPACE@163..168 "\n    "
            - FIELD@168..177
                - NAME@168..177
                    - IDENT@168..177 "faveSnack"
            - WHITESPACE@177..178 "\n"
            - R_CURLY@178..179 "}"
recursion limit: 500, high: 3