/*operands=*/ArrayRef<Value>{});
  return host_side_if;
}
// Creates a WhileRegionOp cond and body regions with yield op and
// an empty body.
mlir::TF::WhileRegionOp CloneEmptyWhile(uint64_t parallel_iterations,
                                        Location loc, OpBuilder& builder) {
  // Mark op as stateful due to side-effecting communication ops added later.