How to Async Get File Size in Perl - Code Snippet

# Task: Async Get File Size
# Language: Perl

sub async_get_file_size() {
    # Implementation for Async Get File Size
    my $ result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Get File Size
    print("Done");
}