ngrx-store-persist/@types/storage-sync.d.ts

ngrx-store-persist depends on @ngrx/store and angular 2+

export declare function storageSync(reducer: any): (state: any, action: any) => any;
export declare const rehydrateApplicationState: (keys: any[], storage: Storage) => any;
export declare const syncStateUpdate: (state: any, keys: any[], storage: Storage) => void;