mergeTypes(typeTable, model)
        } else if (title.matches('(?i).* blocks')) {
            mergeBlocks(typeTable, model)
        } else {
            return
        }

        typeTable['@role'] = 'dslTypes'
    }

    def mergeBlocks(Element blocksTable, DslDocModel model) {
        blocksTable.addFirst {
            thead {
                tr {

  destination_block->addArguments(
      block_arguments_type,
      SmallVector<Location>(block_arguments_type.size(),
                            source_block->getParent()->getLoc()));
  rewriter.mergeBlocks(source_block, destination_block,
                       destination_block->getArguments());
}

/// Convert the `tf.IfRegion` op to the `scf.if` op.
class ConvertIfRegionOp : public OpRewritePattern<IfRegionOp> {