How to Async Rename File in Scala - Code Snippet

// Task: Async Rename File
// Language: Scala

def async_rename_file() {
    // Implementation for Async Rename File
    val result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Rename File
    println("Done");
}