noticket: Add @InternalApi annotation to TableQueryImpl and amend its Javadoc

Author: nvamelichev

repository-ydb-v2/src/main/java/tech/ydb/yoj/repository/ydb/table/YdbTable.java

@@ -101,7 +101,7 @@ public final Class<T> getType() {
     public final TableDescriptor<T> getTableDescriptor() {
         return tableDescriptor;
     }
-    
+
     public final EntitySchema<T> getSchema() {
         return schema;
     }

repository/src/main/java/tech/ydb/yoj/repository/db/TableQueryImpl.java

@@ -1,6 +1,7 @@
 package tech.ydb.yoj.repository.db;
 
 import com.google.common.collect.Sets;
+import tech.ydb.yoj.InternalApi;
 import tech.ydb.yoj.repository.db.cache.FirstLevelCache;
 import tech.ydb.yoj.repository.db.list.ListRequest;
 
@@ -15,9 +16,11 @@
 import static java.util.stream.Collectors.toSet;
 
 /**
- * Utility class for internal use only. This class is not part of the public API and should not be
- * used directly by client code.
+ * Utility class for {@link Table} implementation; <strong>for internal use only</strong>.
+ * This class is <strong>not</strong> part of the public API and <strong>should not</strong>
+ * be used directly by client code.
  */
+@InternalApi
 public final class TableQueryImpl {
     private TableQueryImpl() {
     }