How to perform 'Parallel Base64 Encode' in D.
// Task: Parallel Base64 Encode
// Language: D
void parallel_base64_encode() {
// Implementation for Parallel Base64 Encode
auto result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Parallel Base64 Encode
writeln("Done");
}