import * as i0 from '@angular/core';
import { InjectionToken, ModuleWithProviders, EnvironmentProviders } from '@angular/core';
import { StorageEngine, NgxsStoragePluginOptions, StorageKey } from '@ngxs/storage-plugin/internals';
export { NgxsStoragePluginOptions, STORAGE_ENGINE, StorageEngine, StorageOption } from '@ngxs/storage-plugin/internals';
import { NgxsPlugin, NgxsNextPluginFn } from '@ngxs/store/plugins';

declare class NgxsStoragePluginModule {
    static forRoot(options: NgxsStoragePluginOptions): ModuleWithProviders<NgxsStoragePluginModule>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxsStoragePluginModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<NgxsStoragePluginModule, never, never, never>;
    static ɵinj: i0.ɵɵInjectorDeclaration<NgxsStoragePluginModule>;
}
declare function withNgxsStoragePlugin(options: NgxsStoragePluginOptions): EnvironmentProviders;

declare function withStorageFeature(storageKeys: StorageKey[]): EnvironmentProviders;

declare class NgxsStoragePlugin implements NgxsPlugin {
    private _keysManager;
    private _options;
    private _allStatesPersisted;
    handle(state: any, event: any, next: NgxsNextPluginFn): any;
    private _hydrateSelectivelyOnUpdate;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxsStoragePlugin, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NgxsStoragePlugin>;
}

declare const LOCAL_STORAGE_ENGINE: InjectionToken<StorageEngine | null>;
declare const SESSION_STORAGE_ENGINE: InjectionToken<StorageEngine | null>;

export { LOCAL_STORAGE_ENGINE, NgxsStoragePlugin, NgxsStoragePluginModule, SESSION_STORAGE_ENGINE, withNgxsStoragePlugin, withStorageFeature };