unknown-example3.ts

{
  // ✨ In union types, `unknown` absorbs all other types except `any`.
  type T1 = unknown | null; // unknown
  type T2 = unknown | number; // unknown
  type T3 = unknown | never; // unknown
  type T4 = unknown | unknown; // unknown
  type T5<T> = T | unknown; // unknown

  // ❗
  type T6 = unknown | any; // any
}