query KnowledgeSources {
  knowledgeSources {
    edges {
      cursor
      node {
        __typename
        ... on KnowledgeSourceSitemap {
          __typename
        }
      }
    }
    pageInfo {
      hasPreviousPage
      hasNextPage
      startCursor
      endCursor
    }
  }
}

{
  "data": {
    "knowledgeSources": {
      "edges": [
        {
          "cursor": "string",
          "node": {
            "__typename": "KnowledgeSourceSitemap"
          }
        }
      ],
      "pageInfo": {
        "hasPreviousPage": true,
        "hasNextPage": true,
        "startCursor": "string",
        "endCursor": "string"
      }
    }
  }
}