import type * as Hedra from "../index.js";
/**
 * Model-specific inputs for `veo-2`.
 *
 * Accepted field combinations (one per input mode):
 * (1) requires: prompt, start_image; must omit: negative_prompt, seed
 * (2) requires: prompt; must omit: start_image
 */
export interface InputVeo2 {
    /** Number of outputs generated per job. Only 1 is supported. */
    num_outputs?: number | undefined;
    /** Generation prompt. */
    prompt: string;
    /** Output aspect ratio. */
    aspect_ratio?: InputVeo2.AspectRatio | undefined;
    /** Output resolution. */
    resolution?: InputVeo2.Resolution | undefined;
    /** Duration in ms. */
    duration_ms?: number | undefined;
    /** Start frame. At most 8 MB. */
    start_image?: Hedra.InputVeo2StartImage | undefined;
    /** What to avoid in the generated video. */
    negative_prompt?: string | undefined;
    /** Seed for reproducible output; omit for a random seed. */
    seed?: number | undefined;
}
export declare namespace InputVeo2 {
    /** Output aspect ratio. */
    const AspectRatio: {
        readonly Sixteen9: "16:9";
    };
    type AspectRatio = (typeof AspectRatio)[keyof typeof AspectRatio];
    /** Output resolution. */
    const Resolution: {
        readonly SevenHundredTwentyP: "720p";
    };
    type Resolution = (typeof Resolution)[keyof typeof Resolution];
}