/**
 * OpenAI DALL-E 3 Provider — Text rendering, creative, versatile
 *
 * Uses the OpenAI Images API directly via fetch (no SDK dependency).
 * DALL-E 3 excels at: text in images, creative/artistic, logos, illustrations.
 *
 * Pricing (2026): ~$0.04-0.12 per image depending on size/quality.
 * Images are returned as URLs valid for 1 hour.
 *
 * https://platform.openai.com/docs/api-reference/images/create
 */
import type { ImageGenerateResult, ImageSize, ImageQuality, ImageStyle } from '../types.js';
export declare function generateOpenAI(apiKey: string, prompt: string, options?: {
    size?: ImageSize;
    quality?: ImageQuality;
    style?: ImageStyle;
}): Promise<ImageGenerateResult>;
export declare function editOpenAI(apiKey: string, imageUrl: string, prompt: string, options?: {
    size?: ImageSize;
}): Promise<ImageGenerateResult>;
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