How to Parallel Get File Extension in TypeScript - Code Snippet

// Task: Parallel Get File Extension
// Language: TypeScript

function parallelGetFileExtension() {
    // Implementation for Parallel Get File Extension
    let result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Parallel Get File Extension
    console.log("Done");
}