// @flow

export type RNSettingsTypes = boolean | string | number | null;
export type RNSettingsSet = { [key: string]: RNSettingsTypes };

declare interface RNSettings {
  get(key: string): RNSettingsTypes;
  set(settings: RNSettingsSet): void;
  watchKeys(keys: string | Array<string>, watcher: () => void): number;
  clearWatch(watchId: number): void;
}

declare var Settings: RNSettings;
export default Settings;