import { z } from 'zod';
/**
 * Audio provided to or from an LLM.
 */
export declare const audioContentSchema: z.ZodObject<{
    type: z.ZodLiteral<"audio">;
    /**
     * The base64-encoded audio data.
     */
    data: z.ZodString;
    /**
     * The MIME type of the audio. Different providers may support different audio types.
     */
    mimeType: z.ZodString;
    /**
     * Optional annotations for the client.
     */
    annotations: z.ZodOptional<z.ZodObject<{
        audience: z.ZodOptional<z.ZodArray<z.ZodEnum<["user", "assistant"]>, "many">>;
        priority: z.ZodOptional<z.ZodNumber>;
    }, "strip", z.ZodTypeAny, {
        audience?: ("user" | "assistant")[] | undefined;
        priority?: number | undefined;
    }, {
        audience?: ("user" | "assistant")[] | undefined;
        priority?: number | undefined;
    }>>;
}, "strip", z.ZodTypeAny, {
    data: string;
    type: "audio";
    mimeType: string;
    annotations?: {
        audience?: ("user" | "assistant")[] | undefined;
        priority?: number | undefined;
    } | undefined;
}, {
    data: string;
    type: "audio";
    mimeType: string;
    annotations?: {
        audience?: ("user" | "assistant")[] | undefined;
        priority?: number | undefined;
    } | undefined;
}>;
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