import type * as Hedra from "../index.js";
/**
 * Model-specific inputs for `gpt-image-2`.
 *
 * Accepted field combinations (one per input mode):
 * (1) requires: aspect_ratio, images, prompt, resolution
 * (2) requires: aspect_ratio, prompt, resolution; must omit: images
 */
export interface InputGptImage2 {
    /** Generation prompt. At most 32000 characters. */
    prompt: string;
    /** Number of outputs generated per job. Only 1 is supported. */
    num_outputs?: number | undefined;
    /** Rewrite the prompt before generation. An LLM expands it into a fuller description and the model receives that text instead of the submitted one; the result's `prompt` reports what ran. */
    enhance_prompt?: boolean | undefined;
    /** Output aspect ratio. */
    aspect_ratio: InputGptImage2.AspectRatio;
    /** Output resolution. */
    resolution: InputGptImage2.Resolution;
    /** Images to edit or blend. 1 to 16 images, each at most 30 MB. */
    images?: Hedra.InputGptImage2ImagesItem[] | undefined;
    /** Output image format. */
    output_format?: InputGptImage2.OutputFormat | undefined;
    /** Quality level to generate at. `low` — the quickest and cheapest pass, for drafts, thumbnails, and rapid exploration. `medium` — balanced cost and fidelity, for everyday work and iterative refinement. `high` — the most rendering effort, for final deliverables and text-heavy designs. */
    quality?: InputGptImage2.Quality | undefined;
}
export declare namespace InputGptImage2 {
    /** Output aspect ratio. */
    const AspectRatio: {
        readonly Sixteen9: "16:9";
        readonly Nine16: "9:16";
        readonly Four3: "4:3";
        readonly Three4: "3:4";
        readonly One1: "1:1";
    };
    type AspectRatio = (typeof AspectRatio)[keyof typeof AspectRatio];
    /** Output resolution. */
    const Resolution: {
        readonly OneK: "1K";
        readonly TwoK: "2K";
        readonly FourK: "4K";
    };
    type Resolution = (typeof Resolution)[keyof typeof Resolution];
    /** Output image format. */
    const OutputFormat: {
        readonly Jpeg: "jpeg";
        readonly Png: "png";
        readonly Webp: "webp";
    };
    type OutputFormat = (typeof OutputFormat)[keyof typeof OutputFormat];
    /** Quality level to generate at. `low` — the quickest and cheapest pass, for drafts, thumbnails, and rapid exploration. `medium` — balanced cost and fidelity, for everyday work and iterative refinement. `high` — the most rendering effort, for final deliverables and text-heavy designs. */
    const Quality: {
        readonly Low: "low";
        readonly Medium: "medium";
        readonly High: "high";
    };
    type Quality = (typeof Quality)[keyof typeof Quality];
}