input_shape.insert(input_shape.begin() + dim_to_expand, 1);
      TensorType expanded_type = input_type.clone(input_shape);
      input = rewriter.create<TFL::ExpandDimsOp>(op.getLoc(), expanded_type,
                                                 input, dim);

      // Update expanded dimension in the input dimensions for the next
      // iteration.

        RankedTensorType::get({}, rewriter.getI64Type()), {i});
    Value index = rewriter.create<TF::ConstOp>(output.getLoc(), index_attr);
    expanded_input = rewriter.create<TF::ExpandDimsOp>(output.getLoc(),
                                                       expanded_input, index);
  }
  return expanded_input;
}