How to perform 'Async Check File Exists' in PowerShell.
# Task: Async Check File Exists
# Language: PowerShell
function async_check_file_exists() {
# Implementation for Async Check File Exists
$ result = ...; # Initialize variable
# TODO: Implement core logic here
# Step 1: Prepare data
# Step 2: Process Async Check File Exists
Write-Host("Done");
}