How to Async Base64 Decode in D - Code Snippet

// Task: Async Base64 Decode
// Language: D

void async_base64_decode() {
    // Implementation for Async Base64 Decode
    auto result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Base64 Decode
    writeln("Done");
}