export type LazySessionStorage = {
    readonly length: number;
    clear(): void;
    getItem(key: string): string | null;
    key(index: number): string | null;
    removeItem(key: string): void;
    setItem(key: string, value: string): void;
    persistCurrentStateAndSubsequentChanges: () => void;
};
export declare const SESSION_STORAGE_GLOBAL_PREFIX = "oidc-spa:lazy-session-storage:";
export declare function createLazySessionStorage(params: {
    storageId: string;
}): LazySessionStorage;