- DOCUMENT@0..31
    - INPUT_OBJECT_TYPE_EXTENSION@0..31
        - extend_KW@0..6 "extend"
        - WHITESPACE@6..7 " "
        - input_KW@7..12 "input"
        - WHITESPACE@12..13 " "
        - NAME@13..31
            - IDENT@13..31 "ExampleInputObject"
- ERROR@31:31 "expected Directives or an Input Fields Definition" EOF
recursion limit: 500, high: 0