review fix

Author: jepett0

ydb/public/sdk/cpp/include/ydb-cpp-sdk/client/table/table.h

@@ -2212,14 +2212,15 @@ class TReadRowsResult : public TStatus {
 };
 
 class TExternalDataSourceDescription {
+public:
+    TExternalDataSourceDescription(Ydb::Table::DescribeExternalDataSourceResult&& description);
+
+private:
     class TImpl;
     std::shared_ptr<TImpl> Impl_;
 
     friend class NYdb::V3::TProtoAccessor;
     const Ydb::Table::DescribeExternalDataSourceResult& GetProto() const;
-
-public:
-    TExternalDataSourceDescription(Ydb::Table::DescribeExternalDataSourceResult&& description);
 };
 
 //! Represents the result of a DescribeExternalDataSource call.
@@ -2237,14 +2238,15 @@ class TDescribeExternalDataSourceResult : public NScheme::TDescribePathResult {
 };
 
 class TExternalTableDescription {
+public:
+    TExternalTableDescription(Ydb::Table::DescribeExternalTableResult&& description);
+
+private:
     class TImpl;
     std::shared_ptr<TImpl> Impl_;
 
     friend class NYdb::V3::TProtoAccessor;
     const Ydb::Table::DescribeExternalTableResult& GetProto() const;
-
-public:
-    TExternalTableDescription(Ydb::Table::DescribeExternalTableResult&& description);
 };
 
 //! Represents the result of a DescribeExternalTable call.