import { AIConfig, AIMessage, AIProvider, AIResponse, VisionCapabilities } from '../../ai-engine';
/**
 * OpenAI Provider - GPT models from OpenAI
 * Supports both text and vision capabilities
 */
export declare class OpenAIProvider implements AIProvider {
    readonly name = "openai";
    readonly config: AIConfig;
    readonly visionCapabilities: VisionCapabilities;
    private apiClient;
    private structuredOutputUtil;
    constructor(config: AIConfig);
    generateText(prompt: string, systemPrompt?: string): Promise<AIResponse>;
    generateStructuredJSON(prompt: string, systemPrompt?: string): Promise<AIResponse>;
    generateWithVision(prompt: string, images: Buffer[], systemPrompt?: string): Promise<AIResponse>;
    generateFromMessages(messages: AIMessage[]): Promise<AIResponse>;
    healthCheck(): Promise<boolean>;
    getAvailableModels(): Promise<string[]>;
    /**
     * Build request options from configuration
     */
    private buildRequestOptions;
    /**
     * Extract text content from OpenAI message content
     */
    private extractTextContent;
}