auto handle_op = find_op.getTableHandle().getDefiningOp();
    if (handle_op == nullptr) return failure();
    auto hashtable_op = llvm::dyn_cast<TFL::HashtableOp>(handle_op);
    if (hashtable_op == nullptr) return failure();
    rewriter.replaceOpWithNewOp<TFL::HashtableFindOp>(
        find_op, find_op->getResultTypes(), find_op.getTableHandle(),
        find_op.getKeys(), find_op.getDefaultValue());