How to perform 'Async Check File Exists' in C++.
// Task: Async Check File Exists
// Language: C++
void asyncCheckFileExists() {
// Implementation for Async Check File Exists
auto result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Async Check File Exists
std::cout << "Done" << std::endl;
}