import * as z from "zod/v4";
import { SpeechInputReferenceImageInput, SpeechInputReferenceImageInput$Outbound } from "./speechinputreferenceimageinput.js";
/**
 * Reference image describing the desired voice. Cannot be combined with `input_audio` parts. Only routed to endpoints that support image references.
 */
export type SpeechInputReferenceImage = {
    /**
     * Reference image input object
     */
    imageUrl: SpeechInputReferenceImageInput;
    type: "image_url";
};
/** @internal */
export type SpeechInputReferenceImage$Outbound = {
    image_url: SpeechInputReferenceImageInput$Outbound;
    type: "image_url";
};
/** @internal */
export declare const SpeechInputReferenceImage$outboundSchema: z.ZodType<SpeechInputReferenceImage$Outbound, SpeechInputReferenceImage>;
export declare function speechInputReferenceImageToJSON(speechInputReferenceImage: SpeechInputReferenceImage): string;
//# sourceMappingURL=speechinputreferenceimage.d.ts.map