User Data Processing with Deno Collections

const users: User[] = [
  { id: 1, name: "Alice", role: "admin", age: 30, country: "USA" },
  { id: 2, name: "Bob", role: "user", age: 25, country: "Canada" },
  { id: 3, name: "Charlie", role: "user", age: 28, country: "USA" },
  { id: 4, name: "Dave", role: "admin", age: 35, country: "Canada" },
  { id: 5, name: "Eve", role: "user", age: 22, country: "UK" },
];