/**
 * Embedding service - generates vector embeddings using OpenAI
 * Integrates with Redis cache to reduce API costs by ~70%
 */
import { RedisCacheService } from './redis-cache.service.js';
export declare class EmbeddingService {
    private openai;
    private model;
    private dimensions;
    private cache?;
    private projectId?;
    constructor(apiKey?: string, model?: string, cache?: RedisCacheService, projectId?: string);
    /**
     * Generate embedding for a single text
     * Checks Redis cache first, falls back to OpenAI API on cache miss
     */
    embed(text: string): Promise<number[]>;
    /**
     * Generate embeddings for multiple texts (batch)
     * Checks cache for each text individually, batches API calls for cache misses
     */
    embedBatch(texts: string[]): Promise<number[][]>;
    /**
     * Get embedding dimensions for this model
     */
    getDimensions(): number;
    /**
     * Get model name
     */
    getModel(): string;
}
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