// @flow
import type { IStateStream } from './stateStream'
import type { Setup, Teardown } from './helpers'
import type { GetObservable } from './observable'
import type { IsObservable } from './utils/isObservable'

declare export var StateStream: Class<IStateStream>
declare export var setup: Setup
declare export var teardown: Teardown
declare export var getObservable: GetObservable
declare export var isObservable: IsObservable