How to perform 'Async Base64 Decode' in Perl.
# Task: Async Base64 Decode
# Language: Perl
sub async_base64_decode() {
# Implementation for Async Base64 Decode
my $ result = ...; # Initialize variable
# TODO: Implement core logic here
# Step 1: Prepare data
# Step 2: Process Async Base64 Decode
print("Done");
}