/**
 * CBD Native Storage Adapter
 * Pure binary storage implementation - no SQL
 */
import { ConversationExchange, StorageAdapter, SearchQuery, DatabaseStats } from '../types/index.js';
export declare class CBDNativeStorageAdapter implements StorageAdapter {
    private dataPath;
    private header;
    private indexCache;
    private connected;
    constructor(dataPath?: string);
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    storeConversation(exchange: ConversationExchange): Promise<string>;
    getConversation(structuredKey: string): Promise<ConversationExchange | null>;
    searchConversations(query: SearchQuery): Promise<ConversationExchange[]>;
    updateConversation(structuredKey: string, updates: Partial<ConversationExchange>): Promise<boolean>;
    deleteConversation(structuredKey: string): Promise<boolean>;
    getStats(): Promise<DatabaseStats>;
    getNextSequenceNumber(projectName: string, sessionName: string): Promise<number>;
    private loadHeader;
    private saveHeader;
    private buildIndexCache;
    private updateIndex;
    private serializeExchange;
    private deserializeExchange;
    private serializeHeader;
    private deserializeHeader;
    private serializeIndex;
    private deserializeIndex;
    private appendToFile;
    private readFromFile;
    private matchesQuery;
}
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