import { Message, ChatMemory } from '@agentskit/core';

interface WebStorageLike {
    readonly getItem: (key: string) => string | null;
    readonly setItem: (key: string, value: string) => void;
    readonly removeItem: (key: string) => void;
}
interface WebStorageMemoryMigration {
    readonly keys: readonly string[];
    readonly read: (value: unknown, key: string) => readonly Message[] | undefined;
}
interface WebStorageMemoryOptions {
    readonly key: string;
    readonly getStorage: () => WebStorageLike | undefined;
    readonly maxMessages?: number;
    readonly maxRecordBytes?: number;
    readonly migration?: WebStorageMemoryMigration;
}
/**
 * Creates a validated, bounded ChatMemory over an injected browser Web Storage backend.
 * The storage getter is evaluated lazily so browser globals can remain SSR-safe.
 */
declare function createWebStorageMemory({ key, getStorage, maxMessages, maxRecordBytes, migration, }: WebStorageMemoryOptions): ChatMemory;

export { type WebStorageLike, type WebStorageMemoryMigration, type WebStorageMemoryOptions, createWebStorageMemory };