import { CacheParams } from '../helpers/query-cache';
export declare class SupabaseQueryCache {
    private openai;
    constructor();
    /**
     * Get cached result using vector similarity search
     */
    getCachedResult(prompt: string, location: CacheParams): Promise<any | null>;
    /**
     * Set cached result with vector embedding
     */
    setCachedResult(prompt: string, location: CacheParams, result: any): Promise<void>;
    /**
     * Batch insert multiple cache entries for better performance
     */
    batchSetCachedResults(entries: Array<{
        prompt: string;
        location: CacheParams;
        result: any;
    }>): Promise<void>;
    /**
     * Search cache by location filters without prompt similarity
     */
    searchByLocation(location: CacheParams, limit?: number): Promise<any[]>;
    /**
     * Clean up expired cache entries
     */
    cleanupExpired(): Promise<number>;
    /**
     * Get cache statistics
     */
    getStats(): Promise<{
        totalEntries: number;
        expiredEntries: number;
        byArea: Record<string, number>;
    }>;
    /**
     * Hash function for generating consistent IDs
     */
    private hashString;
}