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