message: Remove pageable from route api operations
diff: "description": "Accepted and the operation will complete asynchronously."
  }
  },
  - "x-ms-long-running-operation": true,
  - "x-ms-pageable": {
  - "nextLinkName": "nextLink"
  - }
  + "x-ms-long-running-operation": true
  }
  },
  "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/virtualNetworkGateways/{virtualNetworkGatewayName}/getLearnedRoutes": {
  "description": "Accepted and the operation will complete asynchronously."
  }
  },
  - "x-ms-long-running-operation": true,
  - "x-ms-pageable": {
  - "nextLinkName": "nextLink"
  - }
  + "x-ms-long-running-operation": true
  }
  },
  "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/virtualNetworkGateways/{virtualNetworkGatewayName}/getAdvertisedRoutes": {
  "description": "Accepted and the operation will complete asynchronously."
  }
  },
  - "x-ms-long-running-operation": true,
  - "x-ms-pageable": {
  - "nextLinkName": "nextLink"
  - }
  + "x-ms-long-running-operation": true
  }
  },
  "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/connections/{virtualNetworkGatewayConnectionName}": {
  