/**
 * SSR-safe checks for browser storage APIs.
 *
 * Some environments (Node.js, Web Workers, Safari Private Mode in iframes,
 * sandboxed iframes, certain CSP configurations) make these APIs either
 * undefined or throw on access. All checks here must be exception-safe.
 */
export declare function hasLocalStorage(): boolean;
export declare function hasSessionStorage(): boolean;
export declare function hasDocumentCookie(): boolean;