presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/SemiTransactionalHiveMetastore.java/SemiTransactionalHiveMetastore/waitForAsyncRenames
class SemiTransactionalHiveMetastore:        private void waitForAsyncRenames()
        {
            for (CompletableFuture<?> fileRenameFuture : fileRenameFutures) {
                MoreFutures.getFutureValue(fileRenameFuture, PrestoException.class);
            }
        }