Refactor MCP

// Sample TypeScript file for testing interface TestInterface { id: number; name: string; } export class TestClass { private data: TestInterface; constructor(data: TestInterface) { this.data = data; } public getData(): TestInterface { return this.data; } public updateName(newName: string): void { this.data.name = newName; } } export function helperFunction(input: string): string { return input.trim().toLowerCase(); } export const CONFIG = { apiUrl: 'https://api.example.com', timeout: 5000, };