How to Async Get File Extension in Pascal - Code Snippet

// Task: Async Get File Extension
// Language: Pascal

procedure async_get_file_extension() begin
    // Implementation for Async Get File Extension
    var result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Get File Extension
    WriteLn("Done");
end;