/**
 * Get an SSR handler by key.
 */
export declare function getSSRHandler(key: string): SSRHandler | undefined;
/**
 * Set an SSR handler by key.
 */
export declare function setSSRHandler(key: string, handler: SSRHandler): void;
/**
 * Custom event name for storage events.
 */
export declare const customStorageEventName: 'stx-storage';
declare type SSRHandler = (..._args: any[]) => any;