/** Actions */ export const START_LOADING = 'START_LOADING' ; export const STOP_LOADING = 'STOP_LOADING' ; /** -------- */ export interface SystemState { isLoading : boolean ; } interface StartLoadingAction { type : typeof START_LOADING ; } interface StopLoadingAction { type : typeof STOP_LOADING ; } export type SystemActionTypes = StartLoadingAction | StopLoadingAction ;