/**
 * Embedding Service Interface
 */
export interface IEmbeddingService {
    /**
     * Embed a single text string
     */
    embed(text: string): Promise<number[]>;
    /**
     * Embed multiple text strings in batch (performance optimized)
     */
    embedBatch(texts: string[]): Promise<number[][]>;
    /**
     * Get the dimensions of the embedding model
     */
    getDimensions(): number;
    /**
     * Get model information
     */
    getModelInfo(): ModelInfo;
}
export interface ModelInfo {
    name: string;
    version: string;
    dimensions: number;
    maxTokens: number;
}
export declare class XenovaEmbeddingService implements IEmbeddingService {
    private extractor;
    private readonly modelId;
    private initPromise;
    /**
     * Lazy load the model (initialize on first call)
     */
    private ensureInitialized;
    private initialize;
    embed(text: string): Promise<number[]>;
    embedBatch(texts: string[]): Promise<number[][]>;
    getDimensions(): number;
    getModelInfo(): ModelInfo;
    /**
     * Text cleaning (remove noise, improve quality)
     */
    private cleanText;
}