import type { AnnotationStore } from '../types.js';
export declare class PatchMarkPersistenceError extends Error {
    constructor(message: string, options?: {
        cause?: unknown;
    });
}
/**
 * Browser-only store with an explicit durability state. If localStorage is
 * unavailable at startup it intentionally uses memory for the session. If a
 * durable write later fails, the operation throws instead of claiming success.
 */
export declare function createLocalStorageStore(options?: {
    key?: string;
}): AnnotationStore;