interface ProtocolMap {
  getId: () => string
  getString: (data: number) => string
  getValue: (data: { val: string }) => number
}

const { sendMessage, onMessage } = defineWindowMessaging<ProtocolMap>({
  namespace: 'xxx',
  logger: console,
})

sendMessage('getId') // An argument for 'data' was not provided.
sendMessage('getId', undefined) // ok

sendMessage('getId') // ok
sendMessage('getId', undefined) // ok
sendMessage('getString') // Argument of type '[]' is not assignable to parameter of type 'never'.
sendMessage('getString', 1) // ok
sendMessage('getValue', { val: '' }) // ok