/**
 * OpenAI Provider
 * Implementation for OpenAI GPT models with streaming and tools support
 */
import type { LLMRequest, LLMResponse, OpenAIConfig, ModelCapabilities } from '../types.js';
import { BaseProvider } from './base.js';
export declare class OpenAIProvider extends BaseProvider {
    name: string;
    models: string[];
    supportsStreaming: boolean;
    supportsTools: boolean;
    supportsBatching: boolean;
    supportsVision: boolean;
    private apiKey;
    private baseUrl;
    private organization?;
    private project?;
    constructor(config: OpenAIConfig);
    generateResponse(request: LLMRequest): Promise<LLMResponse>;
    validateConfig(): boolean;
    getModels(): string[];
    estimateCost(request: LLMRequest): number;
    healthCheck(): Promise<boolean>;
    protected getModelCapabilities(): Record<string, ModelCapabilities>;
    private makeOpenAIRequest;
    private formatRequest;
    private formatMessageContent;
    private formatResponse;
    /**
     * Stream response support
     */
    streamResponse(request: LLMRequest): Promise<ReadableStream<string>>;
    /**
     * Batch processing support
     */
    processBatch(requests: LLMRequest[]): Promise<LLMResponse[]>;
    private getDefaultModel;
}
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