import * as $dara from '@darabonba/typescript';
export declare class MediaConvertAudio extends $dara.Model {
    /**
     * @remarks
     * The audio bitrate of the output file.
     *
     * *   Unit: Kbps.
     * *   Valid values: [8,1000].
     * *   Default value: 128.
     * *   Common values: 64, 128, and 256.
     *
     * @example
     * 128
     */
    bitrate?: number;
    /**
     * @remarks
     * The number of audio channels.
     *
     * *   Valid values: 0, 1, 2, 4, 5, 6, and 8.
     *
     *     *   If the Codec parameter is set to MP3 or OPUS, you can set this parameter to 0, 1, or 2.
     *     *   If the Codec parameter is set to AAC or FLAC, you can set this parameter to 0, 1, 2, 4, 5, 6, or 8.
     *     *   If the Codec parameter is set to VORBIS, you can set this parameter to 2.
     *     *   If the Format parameter is set to MPD, you cannot set this parameter to 8.
     *
     * *   Default value: 2.
     *
     * *   Set the value to 0 to preserve the original number of channels from the source file.
     *
     * @example
     * 2
     */
    channels?: number;
    /**
     * @remarks
     * The audio codec.
     *
     * *   Valid values: AAC, AC3, EAC3, MP2, MP3, FLAC, OPUS, VORBIS, WMA-V1, WMA-V2, and pcm_s16le.
     * *   Default value: AAC.
     *
     * @example
     * AAC
     */
    codec?: string;
    /**
     * @remarks
     * The audio codec profile.
     *
     * *   This parameter takes effect only if the Codec parameter is set to AAC.
     * *   Valid values: aac_low, aac_he, aac_he_v2, aac_ld, and aac_eld.
     * *   Default value: aac_low.
     *
     * @example
     * aac_low
     */
    profile?: string;
    /**
     * @remarks
     * Specifies whether to remove the audio stream from the output.
     *
     * *   true: deletes the audio stream. All other parameters in the Audio object are ignored.
     * *   false: retains the audio stream.
     * *   Default value: false.
     */
    remove?: boolean;
    /**
     * @remarks
     * The sample rate.
     *
     * *   Unit: Hz
     * *   Valid values: 22050, 32000, 44100, 48000, and 96000.
     * *   Default value: 44100.
     *
     * The supported sample rates vary depending on the container and codec format. For example, when the audio codec is MP3, a sample rate of 96000 is not supported. If the container format is FLV, only sample rates of 22050 and 44100 are supported.
     *
     * @example
     * 44100
     */
    samplerate?: string;
    static names(): {
        [key: string]: string;
    };
    static types(): {
        [key: string]: any;
    };
    validate(): void;
    constructor(map?: {
        [key: string]: any;
    });
}