// ______________________________________________________
//
// @ utils

type KeyMap = { [K: string]: any }
type R<T> = T extends (...rest: any[]) => infer I ? I : never
type RR<T> = T extends (...rest: any[]) => (...rest: any[]) => infer I
  ? I
  : never

type A1<T> = T extends (a1: infer I, ...rest: any[]) => any ? I : never
type A2<T> = T extends (a1: any, a2: infer I, ...rest: any[]) => any ? I : never
type RA1<T> = T extends (...rest: any[]) => (a1: infer I) => any ? I : never

type Types<T> = { readonly [K in keyof T]: string }
type MapOption<T> = Array<keyof T> | { [k: string]: keyof T }
type Injects<T> = { [P in keyof T]?: T[P] }
type StateFactory<T> = (injects?: Injects<T>) => T
declare function use(store: any): void

// ______________________________________________________
//
// @ exports

export {
  KeyMap,
  R,
  A1,
  A2,
  RR,
  RA1,
  Types,
  MapOption,
  use,
  Injects,
  StateFactory
}