How to perform 'Async Base64 Encode' in VisualBasic.
' Task: Async Base64 Encode
' Language: VisualBasic
Sub async_base64_encode()
' Implementation for Async Base64 Encode
Dim result = ...; ' Initialize variable
' TODO: Implement core logic here
' Step 1: Prepare data
' Step 2: Process Async Base64 Encode
Console.WriteLine("Done");
End Sub