/**
 * QR Video RAG - Embedder Adapters
 *
 * Self-contained embedder implementations for the QR Video RAG system
 */
import { Embedder } from '../types';
/**
 * Simple embedder using text hashing
 *
 * Generates deterministic embeddings based on text content for the QR Video RAG system.
 * This embedder is completely self-contained and doesn't require any external APIs.
 *
 * @param dimension Embedding dimension (default: 384)
 * @returns Embedder implementation
 *
 * @example
 * ```typescript
 * const embedder = createSimpleEmbedder(384);
 * const embedding = await embedder.embed("Hello world");
 * console.log(embedding.length); // 384
 * ```
 */
export declare function createSimpleEmbedder(dimension?: number): Embedder;
/**
 * Custom embedder wrapper
 *
 * Allows you to provide your own embedding function
 *
 * @param embedFn Function that generates embeddings
 * @param dimension Optional embedding dimension
 * @returns Embedder implementation
 *
 * @example
 * ```typescript
 * const embedder = createCustomEmbedder(
 *   async (text) => {
 *     // Your custom embedding logic
 *     return myModel.encode(text);
 *   },
 *   512
 * );
 * ```
 */
export declare function createCustomEmbedder(embedFn: (text: string) => Promise<number[]>, dimension?: number): Embedder;
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