code: @Override
      public Collection<WriterSegmentProcessor> createWriterSegmentProcessors(UpdateableSegmentMetadata metadata) {
          Exceptions.checkNotClosed(this.closed.get(), this);
          if (!metadata.getAttributes().containsKey(TableAttributes.INDEX_OFFSET)) {
              // Not a Table Segment; nothing to do.
              return Collections.emptyList();
          }
  
          return Collections.singletonList(new WriterTableProcessor(new TableWriterConnectorImpl(metadata), this.executor));
      }
docs: region ContainerTableExtension Implementation