/**
 * @license
 * Copyright 2025 OSAgent OC
 * SPDX-License-Identifier: Apache-2.0
 */
import type { EmbeddingProvider, OpenRouterEmbeddingConfig } from './types.js';
/**
 * OpenRouter Embedding Provider
 *
 * Fallback embedding provider using OpenRouter API.
 * Uses text-embedding-3-small model (1536 dimensions) by default.
 *
 * @see https://openrouter.ai/docs/api/reference/embeddings
 */
export declare class OpenRouterEmbeddingProvider implements EmbeddingProvider {
    readonly name = "openrouter";
    private readonly apiKey;
    private readonly baseUrl;
    private readonly model;
    private readonly timeoutMs;
    private readonly dimensions;
    constructor(config: OpenRouterEmbeddingConfig);
    getDimensions(): number;
    /**
     * Check if OpenRouter is available with valid API key
     */
    isAvailable(): Promise<boolean>;
    /**
     * Generate embedding for a single text
     */
    embed(text: string): Promise<number[]>;
    /**
     * Generate embeddings for multiple texts (batch operation)
     */
    embedBatch(texts: string[]): Promise<number[][]>;
    /**
     * Check remaining credits (if supported)
     */
    getCredits(): Promise<{
        remaining: number;
        limit: number;
    } | null>;
}