import { type FromUrlOptions } from "./remote.js";
export interface AudioContent {
    type: "audio";
    data: string;
    mimeType: string;
}
export declare class Audio {
    private readonly base64Data;
    private readonly mimeType;
    private constructor();
    static fromUrl(url: string, options?: FromUrlOptions): Promise<Audio>;
    static fromBytes(data: Uint8Array, format?: string): Audio;
    static fromBase64(base64: string, mimeType: string): Audio;
    toContentBlock(): AudioContent;
}