[
    ApolloDiagnostic {
        cache: {
            0: "built_in_types.graphql",
            41: "0041_subscription_operation_with_undefined_fields.graphql",
        },
        location: DiagnosticLocation {
            file_id: FileId {
                id: 41,
            },
            offset: 21,
            length: 26,
        },
        labels: [
            Label {
                location: DiagnosticLocation {
                    file_id: FileId {
                        id: 41,
                    },
                    offset: 21,
                    length: 26,
                },
                text: "`undefinedSubscriptionField` field is not defined",
            },
            Label {
                location: DiagnosticLocation {
                    file_id: FileId {
                        id: 41,
                    },
                    offset: 51,
                    length: 42,
                },
                text: "`Subscription` declared here",
            },
        ],
        help: Some(
            "`undefinedSubscriptionField` is not defined on `Subscription` type",
        ),
        data: UndefinedField {
            field: "undefinedSubscriptionField",
        },
    },
]
