[
    SingleRootField(
        SingleRootField {
            src: "subscription sub {\n    ... on Subscription {\n        newMessage {\n          body\n          sender\n        }\n        disallowedSecondRootField\n    }\n}\n\ntype Subscription {\n  newMessage: Result\n}\n\ntype Result {\n  body: String,\n  sender: String\n}\n\ntype Query {\n  message: String\n}",
            fields: 2,
            subscription: SourceSpan {
                offset: SourceOffset(
                    0,
                ),
                length: SourceOffset(
                    151,
                ),
            },
            help: Some(
                "There are 2 root fields: newMessage, disallowedSecondRootField. This is not allowed.",
            ),
        },
    ),
]
