How to Async Handle Signals in Apex - Code Snippet

// Task: Async Handle Signals
// Language: Apex

public void async_handle_signals() {
    // Implementation for Async Handle Signals
    Object result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Handle Signals
    System.debug("Done");
}