{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"SpannedOption,"}]}
    SpannedOption, SubdiagnosticKind, build_field_mapping, build_suggestion_code, is_doc_comment,
    AllowMultipleAlternatives, FieldInfo, FieldInnerTy, FieldMap, HasFieldMap, SetOnce,
    new_code_ident, report_error_if_not_applied_to_applicability,