import { IStorageRefOptions } from './IStorageRefOptions'; export declare const __SOURCE__ = "__SOURCE__"; export declare const C_FLEXIBLE = "flexible"; export declare const K_NULLABLE = "nullable"; export declare const K_IDENTIFIER = "identifier"; export declare const K_GENERATED = "generated"; export declare const STATE_KEY = "$state"; export declare const DEFAULT_STORAGEREF_OPTIONS: IStorageRefOptions;