import OpenAI from 'openai';
import { UnifiedChatRequest, UnifiedChatResponse, Tool } from '../../types/unified-api';
import BaseProvider from '../base-provider';
export declare class OpenAIProvider extends BaseProvider {
    protected client: OpenAI;
    private apiKey;
    private useResponsesAPI;
    constructor({ apiKey, model, tools, options }: {
        apiKey: string;
        model?: string;
        tools?: Tool[];
        options?: {
            useResponsesAPI?: boolean;
        };
    });
    chat(request: UnifiedChatRequest): Promise<UnifiedChatResponse>;
    private chatWithChatCompletions;
    private chatWithResponsesAPI;
    stream(request: UnifiedChatRequest): AsyncIterableIterator<UnifiedChatResponse>;
    private streamWithChatCompletions;
    private streamWithResponsesAPI;
    private convertToOpenAIFormat;
    private convertResponseFormat;
    private convertToResponsesAPIFormat;
    private convertFromOpenAIFormat;
    private convertFromResponsesAPIFormat;
    private convertStreamChunk;
    private convertResponsesStreamChunk;
    private handleError;
    private mapErrorType;
}