/**
 * OpenAI Provider Implementation
 *
 * Implements the LLMProvider interface for the OpenAI API.
 * Handles text generation, image understanding, image generation, and streaming.
 */
import type { LLMProvider, LLMCapabilities, ServiceType } from '../types.js';
import type { TextTextParams, ImageTextParams, TextImageParams, ImageImageParams, DocumentTextParams, EmbedParams, EmbedResponse, LLMResponse, LLMStreamResponse, Logger } from '../../llm_api/types.js';
import { type OpenAIGenerationConfig } from './openai_client.js';
/**
 * Configuration for the OpenAI provider
 */
export interface OpenAIProviderConfig {
    /** API key from .env.local (OPENAI_API_KEY) */
    api_key: string;
    /** Chat completions API URL (default: 'https://api.openai.com/v1/chat/completions') */
    api_url?: string;
    /** Image generation API URL (default: 'https://api.openai.com/v1/images/generations') */
    api_url_image?: string;
    /** Embeddings API URL (default: 'https://api.openai.com/v1/embeddings') */
    api_url_embed?: string;
    /** Model for text_text service (default: 'gpt-4o') */
    model_text_text?: string;
    /** Model for image_text service (default: 'gpt-4o') */
    model_image_text?: string;
    /** Model for text_image service (default: 'gpt-image-1') */
    model_text_image?: string;
    /** Model for embed service (default: 'text-embedding-3-small') */
    model_embed?: string;
    /** Generation parameters applied to text calls */
    generation_config?: OpenAIGenerationConfig;
    /** Capabilities this provider supports (overrides defaults when specified) */
    capabilities?: ServiceType[];
    /** Logger instance */
    logger: Logger;
}
/**
 * OpenAI LLM Provider
 * Implements the LLMProvider interface for the OpenAI API
 */
export declare class OpenAIProvider implements LLMProvider {
    private readonly name;
    private readonly api_key;
    private readonly api_url;
    private readonly api_url_image;
    private readonly api_url_embed;
    private readonly model_text_text;
    private readonly model_image_text;
    private readonly model_text_image;
    private readonly model_embed;
    private readonly generation_config;
    private readonly capabilities;
    private readonly logger;
    constructor(config: OpenAIProviderConfig);
    get_name(): string;
    get_capabilities(): LLMCapabilities;
    get_model_for_service(service_type: ServiceType): string | undefined;
    text_text(params: TextTextParams, _logger: Logger): Promise<LLMResponse>;
    image_text(params: ImageTextParams, _logger: Logger): Promise<LLMResponse>;
    text_image(params: TextImageParams, _logger: Logger): Promise<LLMResponse>;
    text_text_stream(params: TextTextParams, _logger: Logger): Promise<LLMStreamResponse>;
    embed(params: EmbedParams, _logger: Logger): Promise<EmbedResponse>;
    image_image(_params: ImageImageParams, _logger: Logger): Promise<LLMResponse>;
    document_text(_params: DocumentTextParams, _logger: Logger): Promise<LLMResponse>;
}
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