How to Async Transaction Rollback in Dart - Code Snippet

// Task: Async Transaction Rollback
// Language: Dart

void asyncTransactionRollback() {
    // Implementation for Async Transaction Rollback
    var result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Transaction Rollback
    print("Done");
}