How to Async Save File Dialog in Nim - Code Snippet

# Task: Async Save File Dialog
# Language: Nim

proc async_save_file_dialog() =
    # Implementation for Async Save File Dialog
    var result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Save File Dialog
    echo("Done");