query SupergraphSdlQuery($apiKey: String!, $graph_ref: String!, $ifAfterId: ID) {
    routerConfig(ref: $graph_ref, apiKey: $apiKey, ifAfterId: $ifAfterId) {
        __typename
        ... on RouterConfigResult {
            id
            supergraphSdl: supergraphSDL
            minDelaySeconds
        }
        ... on Unchanged {
            id
            minDelaySeconds
        }
        ... on FetchError {
            code
            message
        }
    }
}
