import type * as Hedra from "../index.js";
/**
 * Model-specific inputs for `ltx-2-3`.
 *
 * Accepted field combinations (one per input mode):
 * (1) requires: aspect_ratio, duration_ms, prompt, resolution, start_image; accepts quality: fast
 * (2) requires: aspect_ratio, duration_ms, prompt, resolution; must omit: end_image, start_image; accepts aspect_ratio: 16:9 | 9:16; quality: fast
 * (3) requires: aspect_ratio, duration_ms, prompt, resolution, start_image; accepts duration_ms: 6000 | 8000 | 10000; quality: pro
 * (4) requires: aspect_ratio, duration_ms, prompt, resolution; must omit: end_image, start_image; accepts aspect_ratio: 16:9 | 9:16; duration_ms: 6000 | 8000 | 10000; quality: pro
 */
export interface InputLtx23 {
    /** Number of outputs generated per job. Only 1 is supported. */
    num_outputs?: number | undefined;
    /** Generation prompt. From 1 to 5000 characters. */
    prompt: string;
    /** Output resolution. */
    resolution: InputLtx23.Resolution;
    /** Whether to generate native audio for the video. */
    generate_audio?: boolean | undefined;
    /** Duration in ms. */
    duration_ms: number;
    /** Output aspect ratio. */
    aspect_ratio: InputLtx23.AspectRatio;
    /** Start frame. At most 10.4 MB. */
    start_image?: Hedra.InputLtx23StartImage | undefined;
    /** End frame. At most 10.4 MB. */
    end_image?: Hedra.InputLtx23EndImage | undefined;
    /** Quality level to generate at. `fast` — tuned for turnaround, for iteration. `pro` — the higher-fidelity tier, for final output. */
    quality?: InputLtx23.Quality | undefined;
}
export declare namespace InputLtx23 {
    /** Output resolution. */
    const Resolution: {
        readonly OneThousandEightyP: "1080p";
        readonly OneThousandFourHundredFortyP: "1440p";
        readonly TwoThousandOneHundredSixtyP: "2160p";
    };
    type Resolution = (typeof Resolution)[keyof typeof Resolution];
    /** Output aspect ratio. */
    const AspectRatio: {
        readonly Auto: "auto";
        readonly Sixteen9: "16:9";
        readonly Nine16: "9:16";
    };
    type AspectRatio = (typeof AspectRatio)[keyof typeof AspectRatio];
    /** Quality level to generate at. `fast` — tuned for turnaround, for iteration. `pro` — the higher-fidelity tier, for final output. */
    const Quality: {
        readonly Fast: "fast";
        readonly Pro: "pro";
    };
    type Quality = (typeof Quality)[keyof typeof Quality];
}