import type { IAsyncStorage } from "jodit/esm/types/index";
import type { IAIAssistantStorage, IConversation, IConversationMeta, IGlobalSettings } from "../../interface/index";
/**
 * Unified web storage implementation using Jodit's storage providers
 * Supports localStorage, sessionStorage, and memory storage
 */
export declare class WebStorageConversationStorage implements IAIAssistantStorage {
    private storage;
    private maxConversations;
    constructor(storageProvider: IAsyncStorage, maxConversations: number);
    close(): Promise<void>;
    /**
     * Get storage key for a conversation ID
     */
    private getConversationKey;
    /**
     * Get all conversation IDs from storage
     */
    private getAllKeys;
    /**
     * Update conversation index
     */
    private updateIndex;
    /**
     * Add conversation ID to index
     */
    private addToIndex;
    /**
     * Remove conversation ID from index
     */
    private removeFromIndex;
    /**
     * List all conversations
     * @param query - Optional search query to filter conversations by title and message content
     */
    list(query?: string): Promise<IConversationMeta[]>;
    /**
     * Get a specific conversation by ID
     */
    get(id: string): Promise<IConversation | null>;
    /**
     * Save or update a conversation
     */
    save(conversation: IConversation): Promise<void>;
    /**
     * Delete a conversation
     */
    delete(id: string): Promise<void>;
    /**
     * Clear all conversations
     */
    clear(): Promise<void>;
    /**
     * Evict oldest conversation (LRU)
     */
    private evictOldest;
    /**
     * Get global settings
     */
    getGlobalSettings(): Promise<IGlobalSettings | null>;
    /**
     * Save global settings
     */
    saveGlobalSettings(settings: Partial<IGlobalSettings>): Promise<void>;
}
/**
 * Factory functions to create storage providers using Jodit's Storage
 */
export declare function createStorageProvider(type: 'indexedDB' | 'localStorage' | 'sessionStorage' | 'memoryStorage', rootKey?: string): IAsyncStorage;
/**
 * Generate unique conversation ID
 */
export declare function generateConversationId(): string;
/**
 * Generate unique message ID
 */
export declare function generateMessageId(): string;
/**
 * Generate unique tool call ID
 */
export declare function generateToolCallId(): string;