id: no-unknown-laundering
valid:
  - 'const x: unknown = foo()'
  - 'function f(x: unknown) {}'
  - 'function isValidPayload(data: unknown): data is Foo { return true; }'
  - 'function f(cause: unknown) {}'
  - 'type X = { a: unknown }'
  - 'type Y = Record<string, unknown>'
invalid:
  - 'type X = unknown'
  - 'type LooseHandler = unknown'