import {Primitive, Concatable, ValidSet} from './generic'

export type TRANSFORMERS_KEY = string
export type OBSERVERS_KEY = string
export type SHORTHANDS_KEY = string
export type DECORATED_KEY = string
export type META_KEYS =
  | TRANSFORMERS_KEY
  | OBSERVERS_KEY
  | SHORTHANDS_KEY
  | DECORATED_KEY

export interface Meta {
  (storeKeyName: string, prop?: Primitive, value?: any): Concatable

  // depending on arguments when using as a function
  // (if no `value`, use as a Set, with `prop` as `value`)
  store: Map<META_KEYS, any> | ValidSet
  debug?: boolean
}