How to Async Measure Execution Time in Tcl - Code Snippet

# Task: Async Measure Execution Time
# Language: Tcl

proc async_measure_execution_time() {
    # Implementation for Async Measure Execution Time
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Measure Execution Time
    puts("Done");
}