How to Async Format Date String in Tcl - Code Snippet

# Task: Async Format Date String
# Language: Tcl

proc async_format_date_string() {
    # Implementation for Async Format Date String
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Format Date String
    puts("Done");
}