How to perform 'Async Count Vowels' in TypeScript.
// Task: Async Count Vowels
// Language: TypeScript
function asyncCountVowels() {
// Implementation for Async Count Vowels
let result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Async Count Vowels
console.log("Done");
}