How to perform 'Base64 Decode' in VisualBasic.
' Task: Base64 Decode
' Language: VisualBasic
Sub base64_decode()
' Implementation for Base64 Decode
Dim result = ...; ' Initialize variable
' TODO: Implement core logic here
' Step 1: Prepare data
' Step 2: Process Base64 Decode
Console.WriteLine("Done");
End Sub