import type { Memory } from "../types/index.js";
export declare class EnhancedVectraMemory {
    private index;
    private indexPath;
    private isInitialized;
    private quiet;
    private embedder;
    private embeddingModel;
    private embeddingDimension;
    constructor(dataDir?: string, quiet?: boolean);
    private log;
    initialize(): Promise<void>;
    addMemory(memory: Memory): Promise<string>;
    searchMemories(query: string, limit?: number, userId?: string): Promise<Memory[]>;
    deleteMemory(memoryId: string): Promise<void>;
    getStats(): Promise<{
        totalItems: number;
        indexSize: string;
        isHealthy: boolean;
        modelLoaded: boolean;
        embeddingModel: string;
    }>;
    private generateEmbedding;
    private generateFallbackEmbedding;
    private hashString;
    addMemories(memories: Memory[]): Promise<string[]>;
    findSimilar(memoryId: string, limit?: number): Promise<Memory[]>;
    getAllMemories(): Promise<any[]>;
}
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