public Mp3Settings withChannels(Integer channels) {
        setChannels(channels);
        return this;
    }
Specify the number of channels in this output audio track. Choosing Mono gives you 1 output channel; choosing
Stereo gives you 2. In the API, valid values are 1 and 2.

@param channels
       Specify the number of channels in this output audio track. Choosing Mono gives you 1 output channel;
       choosing Stereo gives you 2. In the API, valid values are 1 and 2.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/Mp3Settings.java